Publications Page

Address

Freie Universität Berlin
Institut für Geologische Wissenschaften
FR Planetologie & Fernerkundung
Malteserstr. 74-100 (Haus D)
12249 Berlin
Tel. +30-838 70550
email: prissang@zedat.fu-berlin.de

Professional Experience

since 1987 Member of the scientific working group "Mathematical Geology"
1981-1987 Geologist and geostatistician at Rheinbraun Consulting, Cologne, Germany

Memberships

since 1997	Fachsektion Geoinformatik der DGG International Association of Mathathematical Geology (IAMG)
since 1987	Deutsche Geologische Gesellschaft (DGG) Schweizerische Geologische Gesellschaft (SGG)

Teaching Activities

since Summer Term 2006 V/Ü EDV in den Geowissenschaften (yearly)

Klausurlösung 2006

Klausurlösung 2008

November 2001 "Introduction into Computer-Aided Three-Dimensional Geological Modelling" (Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil)
May 1999 "Introduction into Computer-Aided Three-Dimensional Geological Modelling" (University of Athens, Greece)
since 1995 "Theoretical and Practical Introduction into Computer-Aided Three-Dimensional Geological Modelling" (yearly)
Five Day Course 3D Modelling and Visualisation" in the framework of the Free University's Continuing Education Programme "Mathematical Methods and Models for the Geosciences"

Education

1973	Abitur
1981	Graduation as Diplom-Geologe

Projects

2020-2023	Statistical and geostatistical analysis of SiO₂, MgO, CaO, Fe₂O₃, MnO, Al₂O₃, K₂O, Na₂O, P₂O₅, TiO₂, and Cr₂O₃ grades in Pedra Preta magnesite deposit, Brumado/BA, Brazil Magnesita Mineração S.A., Contagem/MG, Brazil
2021-2022	Statistical analysis and variography of MgO, CaO, SiO₂, and Fe₂O₃ grades in Verkhoturovskoe magnesite deposit, Krasnoyarsk region, Russian Federation Veitsch-Radex GmbH & Co OG, St. Jakob-Breitenau, Austria
2021	Status quo report of Lélouma South Bauxite Prospect, Republic of Guinea Société de Recherce & d'Exploration S.A., Conakry, Guinea
2018-2019	Statistical analysis and variography of SiO₂, CaO, Fe₂O₃, Al₂O₃ and MnO grades in the magnesite bodies of Bürgl-Weißenstein deposit, Tyrol Veitsch-Radex GmbH & Co OG, Hochfilzen, Austria
2017-2016	Statistical analysis and variography of mercury, sulphur, and phosphorous grades in blastholes and exploration drill holes at Styrian Erzberg VA Erzberg GmbH, Eisenerz, Austria
2012	Development and implemention of an operative deposit modelling system for the Weissenstein magnesite mine Veitsch-Radex GmbH & Co OG, Hochfilzen, Austria
2011	Geostatistical structure analysis of CaO, SiO₂, and Fe₂O₃ grades in the Bürgl magnesite deposit near Hochfilzen, Tyrol Veitsch-Radex GmbH & Co OG, Hochfilzen, Austria
	Internationalisation of the Tcl/Tk based graphical user interface for the operative deposit modelling system at the Breitenau magnesite mine Veitsch-Radex GmbH & Co, St. Jakob-Breitenau, Austria
2006-2007	Geostatistical structure analysis of CaO, SiO₂, and Fe₂O₃ grades in the Weißenstein magnesite deposit near Hochfilzen, Tyrol Veitsch-Radex GmbH & Co, Hochfilzen, Austria
2006	Geostatistical structure analysis of Fe₂O₃grades in the Breitenau magnesite deposit Veitsch-Radex GmbH & Co, St. Jakob-Breitenau, Austria
	3D geometric modelling of the Santa Terezinha Coalfield, Rio Grande do Sul, Brazil Freie Universiät Berlin, Berlin, Germany
2003-2004	Development of octree-based evaluation and planning software for granite quarries JP-Fintact Oy, Vantaa, Finland
2000	Development of a Tcl/Tk based graphical user interface for the operative deposit modelling system at the Breitenau magnesite mine Veitsch-Radex GmbH, St. Jakob-Breitenau, Austria
	Investigation of the spatial correlation of selected grades in the Baryte and Fluorite mine "Clara", Oberwolfach/Schwarzwald, Germany Sachtleben Bergbau Services GmbH, Lennestadt, Germany
1997-2000	Statistical analysis, geostatistical structure analysis, and selection of optimum estimations techniques for property modelling at the Styrian Erzberg VA Erzberg GmbH, Eisenerz, Austria
1999	Update of the geometric model of the Breitenau magnesite body and geostatistical structure analysis of the properties in the newly explored westerly and deeper regions of mining area #6 South Veitsch-Radex-Didier Europa AG, St. Jakob-Breitenau, Austria
1998	Development of an operative geometry modelling system for the Breitenau Magnesite Mine Veitsch-Radex AG für feuerfeste Werkstoffe, St. Jakob-Breitenau, Austria
	Update of the geometric model of the Breitenau magnesite body and geostatistical structure analysis of the properties in the newly explored mining area #6 South Veitsch-Radex AG für feuerfeste Werkstoffe, St. Jakob-Breitenau, Austria
	Geological reserve assessment for a medium-term mining planning variant at the Styrian Erzberg VA Erzberg GmbH, Eisenerz, Austria
1997	Update of the geometric model of the Breitenau magnesite body and geostatistical structure analysis of the properties in the newly explored mining area #5 South Veitsch-Radex AG für feuerfeste Werkstoffe, St. Jakob-Breitenau, Austria
	Geostatistical structure analysis, deposit modelling, and quality assessment for the La Campana 2 limestone deposit, El Salvador Dr. K.-R. Frentrup, Deposit Evaluation and Raw Material Management, Bad Kreuznach, Germany
1996	Investigation of potential improvements for quality control at the Styrian Erzberg VA Erzberg GmbH, Eisenerz, Austria
	Geostatistical structure analysis, deposit modelling, and quality assessment for the El Zapote limestone deposit, El Salvador Dr. K.-R. Frentrup, Deposit Evaluation and Raw Material Management, Bad Kreuznach, Germany
1995	Geostatistical structure analysis, deposit modelling, and quality assessment for the El Colorado limestone deposit, El Salvador Dr. K.-R. Frentrup, Deposit Evaluation and Raw Material Management, Bad Kreuznach, Germany
1994-1995	Geostatistical structure analysis, deposit modelling, and development of an operative grade modelling system for the Breitenau Magnesite Mine Veitsch-Radex AG für feuerfeste Werkstoffe, St. Jakob-Breitenau, Austria
1991-1993	Enlarging the scope of the Linear Octree based Property Modelling System for integrated computer-aided mine design and planning of complex orebodies European Community Raw Materials Programme, Bruxelles
1988-1989	Development of the Linear Octree based Property Modelling System for computer-aided design of underground metalliferous mining layouts European Community Raw Materials Programme, Bruxelles

Publications

KALKREUTH, W., LEVANDOWSKI, J., WENIGER, P., KROOSS, B., PRISSANG, R. & LIMA da ROSA, A. (2020): Coal characterization and coalbed methane potential of the Chico-Lomã Coalfield, Paraná Basin, Brazil – Results from exploration borehole CBM001-CL-RS.- Energy Exploration & Exploitation, 38, 5, 1589-1630, Thousand Oaks, CA
PRISSANG, R., BURGER, H., HOLZ, M. & KALKREUTH, W. (2012): 3D modelling of early Permian paralic coal-bearing strata in Rio Grande do Sul state, Brazil.- Z. geol. Wiss., 40, 6, 363-379, Berlin
PRISSANG, R., HELLÄ, P., LEHTIMÄKI, T., SAKSA, P., NUMMELA, J. & VUENTO, A. (2007): Localisation of undisturbed blocks in larger dimension stone rock masses.- Z. dt. Ges. Geowiss., 158, 3, 471-482, Stuttgart
BURGER, H., PRISSANG, R., KALKREUTH, W. & HOLZ, M. (2006): 3D Modeling of the Santa Terezinha Coalfield, Brazil - implications for estimation of the CBM potential.- Proc. of the 11th Ann. Conference of the Int. Association for Mathematical Geology IAMG'06, Liège, Sept. 3-8, 2006, SP14-05, 6 p., Int. Association for Mathematical Geology, Liège [CDROM]
SKALA, W., MARIOLAKOS, I., SPYRIDONOS, E. & PRISSANG, R. (2004): Planung eines Systems zur Grundwasseranreicherung für die Halbinsel Mani (Peloponnes) im Rahmen Griechisch-Deutscher Kooperation.- In: KALANTZI, M., KARAVEZYRIS, V. & PARASKEVOPOULOS, A. (eds.): Deutsch-Griechische Forschung 2003 - Tagungsband.- Griechische Akademiker in Berlin und Brandenburg e.V., Schriftenreihe, 1, 71-79, Wissenschaftlicher Verlag Berlin, Berlin
PRISSANG, R., HELLÄ, P., LEHTIMÄKI, T., SAKSA, P., NUMMELA, J. & VUENTO, A. (2004): Identification of mineable blocks in dimension stone rock masses.- In: HARDYGÓRA, M., PASZKOWSKA, G. & SIKORA, M. (eds.): Mine Planning and Equipment Selection 2004.- 69-74, Taylor & Francis Group, London
BURGER, H., SCHAUF, A., PRISSANG, R., HOLZ, M. & KALKREUTH, W. (2003): The Impact of Sequence Stratigraphy on 3D Modelling of a Coal Basin.- Proc. of The 9th Ann. Conference of the Int. Association for Mathematical Geology IAMG2003, Portsmouth, Sept. 7-12, 2003, 5 p., Int. Association for Mathematical Geology, Kingston, ON [CDROM]
PRISSANG, R. (2003): Automated Grade and Quality Prediction in an Operative Deposit Modelling System.- In: SCHULZE, T., SCHLECHTWEG, S. & HINZ, V. (eds.): Simulation und Visualisierung 2003.- 299-312, SCS European Publishing House, Erlangen - San Diego
PRISSANG, R. (2003): Visualisation: are the pictures really useful?-.- In: ROSENBAUM, M.S. & TURNER, A.K. (eds.): New Paradigms in Subsurface Prediction - Characterization of the Shallow Subsurface: Implications for Urban Infrastructure and Environmental Assessment.- Lecture Notes in Earth Sciences, 99, 105-114, Springer, Berlin - Heidelberg
SPYRIDONOS, E., PRISSANG, R., MANUTSOGLU, E., EXADAKTYLOS, G. & MASTORIS, J. (2003): State-of-the-art 3D modeling techniques: Vital tools to ensure the efficient use of non-renewable resources.- In: AGIOUTANIS, Z. (ed.): Sustainable Development Indicators in the Mineral Industries.- 347-352, Milos Conference Center - George Eliopoulos, Milos Island, Greece
PRISSANG, R. (2002): 3D Variography as a tool to recognise transport processes and associated paleo-directions in limestones and limestone-hosted deposits.- Terra Nostra, 2002, 4, 431-436, Berlin
BURGER, H., SCHAUF, A., PRISSANG, R., HOLZ, M. & KALKREUTH, W. (2001): 3D-Modeling of the Santa Terezinha Coalfield, Brazil: Assessment of Coal Bed Methane Potential.- In: Proc. of The 7th Ann. Conference of the Int. Association for Mathematical Geology IAMG2001, Cancun, Sept. 6-12, 2001, 11 p., Int. Association for Mathematical Geology, Kingston, ON [CDROM]
PRISSANG, R. (1999): Sedimentary Controls of Variograms of Terrigenous Components in Limestones and Limestone-Hosted Deposits.- In: DAGDELEN, K. (ed.): Proc. of the 28th Int. Symp. Applications of Computers and Operations Research in the Minerals Industries APCOM'99, Golden, CO Oct. 20-22, 1999.- 677-684, Colorado School of Mines, Golden, CO
PRISSANG, R., SPYRIDONOS, E. & FRENTRUP, K.-R. (1999): Computer Assisted 3D Modelling and Planning for the Cement Industry of El Salvador.- Mathematische Geologie, 4, 61-72, Dresden
SKALA, W. & PRISSANG, R. (1999): Iterative geologische Modellierung.- 4, 9-17, Dresden
SPYRIDONOS E., DORNSIEPEN U.F., MANUTSOGLU E. & PRISSANG R. (1999): Geologische 3D-Modellierung der Vulkaninsel Santorini (Thera).- Mathematische Geologie, 4, 81-85, Dresden
PRISSANG, R. & SKALA, W. (1997): The role of the prediction performance in property modelling.- In: PAWLOWSKI-GLAHN, V. (ed.): Proc. of The Third Ann. Conference of the Int. Association for Mathematical Geology IAMG'97, Barcelona Sept. 22-27, Part 2, 937-942, International Center for Numerical Methods in Engineering, Barcelona, Spain
PRISSANG, R., SPYRIDONOS, E., SKALA, W. & FRÖMMER, T. (1996): Operational Grade Modelling at the Breitenau Magnesite Mine.- In: RAMANI, R.V. (ed.): Proc. of the 26th Int. Symp. Applications of Computers and Operations Research in the Mineral Industry APCOM'96, University Park, PA Sept. 16-20, 1996.- 101-106, SME, Littleton, CO
WEBER, Ch. & PRISSANG, R. (1996): Geostatische Qualitätssteuerung im Bergbau Breitenau der VEITSCH-RADEX AG.- Berg- u. Hüttenmänn. Mh., 141, 6, 234-247, Wien
SKALA, W., PRISSANG, R. & SCHAFMEISTER, M.-T. (1995): Geologische Modellierung und Strömungsmodellierung mit integrierten Softwaresystemen.- Kongreßhandbuch / Internationale Fachmesse und Kongreß für Geowissenschaften und Geotechnik Geotechnica'95, Köln Mai 1995.- 158-159, KölnMesse Messe- und Ausstellungsges., Köln
PRISSANG, R. (1994): The application of linear octree encoded property modelling to the Çayeli deposit.- In: PASAMEHMETOGLU, A.G., KARPUZ, C., S. ESKIKAYA & T. HIZAL. (eds.): Mine Planning and Equipment Selection 1994.- 557-562, Balkema, Rotterdam - Brookefield
PRISSANG, R. (1992): Three-dimensional predictive deposit modeling based on the linear octree data structure.- In: PFLUG, R & HARBAUGH, J.W. (eds.): Computer graphics in geology: Three-dimensional modeling of geological structures and simulating geologic processes.- Lecture Notes in Earth Sciences, 41, 229-238, Springer, Berlin - Heidelberg etc.
BAK, P.R.G., CRAM, D.L. & PRISSANG, R. (1992): Interactive Evaluation of Linear Octree Encoded Deposit Models.- Proc. of the 23rd Int. Symp. Applications of Computers and Operations Research in the Mineral Industry APCOM'92, Tucson, AZ April 7-11, 1992.- 691-700, SME, Littleton, CO
PRISSANG, R. & SKALA, W. (1990): An Octree-Encoded 3D Variable Block Model for the Representation of Ore Grades in Underground Mining.- Proc. of the 22nd Int. Symp. Applications of Computers and Operations Research in the Mineral Industry APCOM'90, Berlin Sept. 1990.- 137-148, Berlin

Published Abstracts

PRISSANG, R. (2012): Operative deposit modelling - a tool for quality control in underground and opencast mining.- Berg- u. Hüttenmänn. Mh., 157, 10, p. 380, Wien
BURGER, H., PRISSANG, R., HOLZ, M. & KALKREUTH, W. (2006): 3D-Modellierung des Santa Terezinha Kohlefeldes in Brasilien zur Abschätzung des Potentials an Coalbed Methane (CBM).- Schriftenr. dt. Ges. Geowiss., 120, p. 139, Hannover
PRISSANG, R. & FRÖMMER, Th. (2006): Schriftenr. dt. Ges. Geowiss., Operative Lagerstättenmodellierung im Magnesitbergbau Breitenau (Steiermark) - Erfahrungen und Ausblick.- Schriftenr. dt. Ges. Geowiss., 50, p. 139, Hannover
PRISSANG, R., HELLÄ, P., LEHTIMÄKI, T., SAKSA, P., NUMMELA, J. & VUENTO, A. (2006): Lokalisierung ungestörter Blöcke in größeren Gesteinsmassen.- Schriftenr. dt. Ges. Geowiss., 50, p. 60, Hannover
KALKREUTH, W., HOLZ, M., KERN, H., BURGER, H., SCHAUF, A., PRISSANG, R., LEMOS DE SOUSA, M. & RODRIGUES, M. (2002): Levantamento do Potencial Gerador de Metano das Camadas de Carvão na Bacia do Paraná, Brasil.- Revista Técnica de Energia, Petróleo e Gás, 1, 1, p. 88, Rio de Janeiro
KALKREUTH, W., HOLZ, M., KERN, H., BURGER, H., SCHAUF, A., PRISSANG, R., LEMOS DE SOUSA, M. & RODRIGUES, M. (2001): Levantamento do Potencial Gerador de Metano das Camadas de Carvão na Bacia do Paraná, Brasil.- 1o Congresso Brasileiro de P&D em Petróleo e Gás, Natal/RN Novembro 25-18, 2001, Anais-Resumos, p. 64, (Universidade Federal do Rio Grande do Norte), Natal/RN
KALKREUTH, W., HOLZ, M., KERN, H., BURGER, H., SCHAUF, A., PRISSANG, R., LEMOS DE SOUSA, M. & RODRIGUES, C. (2001): Assessment of coal bed methane potential in the Santa Terezinha Coalfiled, Paraná Basin, Brazil.- In: PETERSEN, H.I. (ed.): The 53rd meeting of the Int. Committee for Coal and Organic Petrology, Copenhagen August 2001 - Abstracts of the TSOP/ICCP Session.- 49-53, Danmarks og Grønlands Geologiske Undersøgelse, København
PRISSANG, R., SPYRIDONOS, E. & FRENTRUP, K.-R. (1998): Computergestützte 3D Modellierung und Planung für die Zementindustrie El Salvadors.- Terra Nostra, 98, 3, V268-V269, Köln
SKALA, W. & PRISSANG, R. (1998): Iterative geologische Modellierung.- Terra Nostra, 98, 3, V338-V339, Köln
SPYRIDONOS, E., MANUTSOGLU, E., DORNSIEPEN, U. & PRISSANG, R. (1998): Geologische 3D-Modellierung der Vulkaninsel Santorini (Thera).- Terra Nostra, 98, 3, p. P178, Köln
KÖHNKE, M., PRISSANG, R. & SKALA, W. (1993): 3D-Modelle als Grundlage geologischer Karten.- Nachr. Dt. Geol. Ges., 50, 59-60, Hannover

Unpublished Abstracts

PRISSANG, R., SPYRIDONOS, E. & FRÖMMER, Th. (2004): Geostatistik im operativen Bergbaubetrieb.- Österreichischer Bergbautag 2004, Pörtschach am Wörthersee 11. bis 13. Mai 2004, Kurzauszüge, 6-7, Bergmännischer Verband Österreichs, Leoben
PRISSANG, R. (2001): 3D Variograms as indicators for transport processes and paleo-directions in limestones.- In: WORTMANN, U.G. & FUNK, H. (eds.): 21st Meeting of the International Association of Sedimentologists IAS 2001, Davos September 3-5 2001, Abstracts & Programme.- p. 64, Eidgenössische Technische Hochschule, Zürich
PRISSANG, R. (2001): Visualisation - are the images really useful?.- In: NATHANAIL, P., ROSENBAUM, M. & TURNER, K. (eds.): EuroConference on New Paradigms for the Prediction of Subsurface Conditions: Characterisation of the Shallow Subsurface: Implications for Urban Infrastructure and Environmental Assessment, Spa July 7-12, 2001, Abstracts, p. 23, European Reasearch Foundation, Strasbourg
PRISSANG, R. & SKALA, W. (1999): Überwachung der Vorhersagegenauigkeit von Schätzverfahren im Rahmen der Betriebsplanung.- Freiberger Forschungsforum, 50. Berg- und Hüttenmännischer Tag, 16. bis 18. Juni 1999, Kolloquium 1: Räumliche und Umweltstatistik, Abstracts der Vorträge, p. 19, Freiberg
SPYRIDONOS; E., MANOUTSOGLU, E., DORNSIEPEN, U., & PRISSANG, R. (1998): Application of 3D Computer Modelling for a Popular Presentation of the Evolution of the Santorini Volcano (preliminary results).- 3rd Int. Symposium Protected Areas Management and Natural Monuments, Molyvos Lesvos July 13-15, 1998, Abstracts, Molyvos Lesvos

Technical Reports

PRISSANG, R. (2023): Statistical and Geostatistical Analysis as well as Modelling of MgO, Al₂O₃, CaO, Fe₂O₃, MnO, SiO₂, P₂O₅, K₂O, Na₂O, TiO₂, and Cr₂O₃ Grades in Pedra Preta Magnesite Deposit, Brumado/BA, Brazil.- René Prissang, EurGeol Dipl.-Geol. Bericht 2023-1, 519 p., Berlin
STRANZL, C. & PRISSANG, R. (2022): Final report on Verhoturovsk magnesite-dolomite deposit (Krasnoyarsk Province, Russia, Report No. 20220511).- VeitschRadex GmbH & Co OG, Report No. 20220511, (VeitschRadex GmbH & Co OG), 104 p., St. Jakob-Breitenau
PRISSANG, R. (2019): Statistische Untersuchung und Variographie der SiO₂-, CaO-, Fe₂O-, Al₂O₃- und MnO-Gehalte in den Magnesitkörpern der Lagerstätte Bürglkopf-Weißenstein, Tirol.- René Prissang, EurGeol Dipl.-Geol. Bericht 2019-1, 279 p., Berlin
PRISSANG, R. (2017): Statistische Untersuchung und Variographie der Quecksilber-, Schwefel-, und Phosphorgehalte in den Spreng- und Explorationsbohrungen des Steirischen Erzbergs.- René Prissang, EurGeol Dipl.-Geol. Bericht 2017-1, 184 p., Berlin
PRISSANG, R. (2007): Statistische Untersuchung und Variographie der SiO₂-, CaO- und Fe₂O₃-Gehalte in den Spreng- und Explorationsbohrungen des Reviers Weißenstein des Magnesitbergbaus Hochfilzen, Tirol.- René Prissang, Dipl.-Geol. Bericht 2007-1, 105 p., Berlin
PRISSANG, R. (2000): Operative Lagerstättenmodellierung im Bergbau Breitenau, Benutzerhandbuch.- René Prissang, Dipl.-Geol. Bericht 2000-1, 39 p., Berlin
PRISSANG, R. (2000): Untersuchung der räumlichen Variabilität ausgewählter Qualitätsparameter in der Grube "Clara", Oberwolfach/Schwarzwald (Ergebnisse der Vorstudie I).- René Prissang, Dipl.-Geol. Bericht 2000-1, 37 p., Berlin
PRISSANG, R. & FRÖMMER, Th. (1997): Programmpaket zur operativen Gehaltsschätzung im Bergbau Breitenau - Benutzerhandbuch (Version 1.1).- Freie Universität Berlin Mathematische Geologie, Technical Report 1997-Pr-2, 16 p., Berlin
PRISSANG, R. (1997): Programmpaket zur operativen Gehaltsschätzung im Bergbau Breitenau - Installationshandbuch (Version 1.1).- Freie Universität Berlin Mathematische Geologie, Technical Report 1997-Pr-1, 7 p., Berlin
BURGER, H., PRISSANG, R. & SPYRIDONOS, E. (1997): Deposit Modelling and Quality Assessment for the La Campana 2 Limestone Deposit, El Salvador - Figures & Tables.- Freie Universität Berlin Mathematische Geologie, Technical Report 1997-Bu-1, 73 p., Berlin
BURGER, H., PRISSANG, R. & SPYRIDONOS, E. (1996): Deposit Modelling and Quality Assessment for the El Zapote Limestone Deposit, El Salvador - Figures & Tables.- Freie Universität Berlin Mathematische Geologie, Technical Report 1996-Bu-2, 45 p., Berlin
PRISSANG, R. (1996): Ergebnisse der Voruntersuchung "Analyse der Möglichkeiten zur Verbesserung der Qualitätssteuerung am Steirischen Erzberg".- René Prissang, Dipl.-Geol. Bericht 1996-1, 27 p., Berlin
BURGER, H., PRISSANG, R., SPYRIDONOS, E., & FRENTRUP, K.R. (1996): CESSA - Cemento de El Salvador S.A 'El Colorado' Deposit Assurance of the Long Term Raw Material Supply Considering Extended Demand - A Geostatistical Evaluation of the Prospection and Simulation of New Raw Mix Scenarios.- Freie Universität Berlin Mathematische Geologie & Dr. Frentrup Deposit Evaluation and Raw Material Management for Cement Industry, Technical Report 1996-Bu-1, 58 p., Berlin - Bad Kreuznach
BURGER, H., PRISSANG, R., SPYRIDONOS, E., & FRENTRUP, K.R. (1996): CESSA - Cemento de El Salvador S.A 'El Colorado' Deposit Assurance of the Long Term Raw Material Supply Considering Extended Demand - A Geostatistical Evaluation of the Prospection and Simulation of New Raw Mix Scenarios.- Freie Universität Berlin Mathematische Geologie & Dr. Frentrup Deposit Evaluation and Raw Material Management for Cement Industry, Technical Report 1996-Bu-1, Annexes,77 p., Berlin - Bad Kreuznach
PRISSANG, R. & FRÖMMER, Th. (1995): Programmpaket zur operativen Gehaltsschätzung im Bergbau Breitenau - Benutzerhandbuch.- Freie Universität Berlin Mathematische Geologie, Technical Report 1995-Pr-2, 15 p., Berlin
PRISSANG, R. (1995): Programmpaket zur operativen Gehaltsschätzung im Bergbau Breitenau - Installationshandbuch.- Freie Universität Berlin Mathematische Geologie, Technical Report 1995-Pr-1, 6 p., Berlin