AUSTRALIA Qureshi Hayat Water Resources Division GPO Box 1096 Darwin, N.T. 0801 Australia AUSTRIA Dr.Karl Mais Inst. F. Hohlenforschung Am Naturhist Museum 1070 Wien, Messeplatz 1/10/1 Austria BULGARIA Prof. Y.Y. Shopov Section Speleology Department of General Physics Sofia University Sofia 1126, A.Ivanov 5 Bulgaria Dr. L.T.Tsankov Section Speleology Department of General Physics Sofia University Sofia 1126, A.Ivanov 5 Bulgaria Kl.I. Burin Section Speleology Department of General Physics Sofia University Sofia 1126, A.Ivanov 5 L.N. Georgiev Section Speleology Department of General Physics Sofia University Sofia 1126, A.Ivanov 5 Bulgaria Dr. G.Baltakov Dept. of Geomorphology Sofia University Sofia 1000, Bulgaria K.Spasov Dept. of Hydrogeology High Minning Institute Durvenitsa, Sofia Bulgaria P.P. Stefanov Geographycal Institute Bulg. Acad Sci, bl.4, Sofia Bulgaria Al. Stoev People Astronomical Observatoty "Yu. Gagarin", Stara Zagora Bulgaria Sv. Georgiev Institute of Soil Science "Pushkarov", Sofia Bulgaria CUBA Javier E. Rodriguez Rubio Institute de Geografia Science Academy of Cuba Calle 11 No.514 e/DyE Vedado-La Habana Cuba CZECHOSLOVAKIA Dr. Pavel Bosak Jivenska 1066/7 14000 Praha 4 Czechoslovakia Dr. Vaclav Cilek jun. Inst. of Geology Czechoslovak Academy of Sciences Rozvojova 135, 16500 Praha 6, Czechoslovakia Dr. Ivan Horacek Dept. of Zoology Faculty of Natural Sciences Charles University Benatska u1 12800 Praha 2 Czechoslovakia Dr. Radek Pucalka Inst. of Geography Czechoslovak Academy of Sciences Mendlovo namesti 1, 662 82 Brno Czechoslovakia Dr. Otakar Stelel Inst. of Geography Czechoslovak Academy of Sciences Mendlovo namesti 1, 662 82 Brno Czechoslovakia Dr. Jaroslav Vasatko Inst. of Geography Czechoslovak Academy of Sciences Mendlovo namesti 1, 662 82 Brno Czechoslovakia ECUADOR Zoilo Angulo Corozo C/O CEPU Luis Cordero 1204 y.j.l.Mera CASILLA 47 Suc. 12 de Octubre Telf. 553-282 Telx 2225 TEXACO ED. QUITO, ECUADOR   ENGLAND Dr. David Higgitt Department of Geography Lancaster University Lancaster LA1 4 YB UK Dr. Andrew Goudie School of Geography Oxford University Mansfield Road Oxford, OX1 3TB England Prof. J W Lloyd School of Earth Sciences The University of Birmingham Edgbaston Birmingham B15 2TT UK Prof. John Mather London University UK Dr. R.A.Downing Inst. of Geological Sciences Wallingford UK Dr.John Crowther Dept. of Geography St. David's University College Lampeter Dyfed SA48 7ED UK Mr. Michael Price British Geological Survey Crowmarsh Gifford Wallingford Ox10, 8BB UK Dr. P. L. Smart Dept. of Geography University of Bristol Bristol BS8 1ss UK Dr. Trevor Ford Leicester University UK FRANCE Dr. Bernard Blavoux Laboratoire d'Hydrogeologie Faculte des Sciences 33 rue Lois Pasteur Avignon F 84000 France J. P. Faillat Laboratoire D'Hydrogeologie URA 1359 du CNRS Universite des Sciences et     Techniques Place     Eugene Bataillon 34095 MONTPELLIER CEDEX 05 France T. 67. 14. 36. 60. GERMANY Prof. Dreybrodt, W.      Universitat Bremen FB 1-Institut fur Experimentelle Physik Abteilung Spektroskopie Postfach 33 04 40 D-2800 Bremen 33 Germany Fax: (0421) 218 3601 Mr. Eckenard Paul Loehnert Department of Geology and Paleontology University of Munster Munster Germany Prof. Franz-Dieter Miotke Geographical Institute University of Hannover Roddinger Str.21 D 3008 Garbsen 1 Germany Prof. Werner Kass University of Freiburg Umkirch Germany HUNGARY Boecker, T. Aluterv-FKI Pozsonyi ut 56 H-1133 Budapest Hongrie Dr. Kubassek Janos Hungarian Geographical Museum 2030 ERD, Budai ut4 Hungary Takacsne-Bolner Katalin Speleological Inst. Budapest Hungary Nador Annamaria Hung. Geological Inst. Budapest Nepstadion ut 14 1142 Hungary Fax: 36-1 251 0703 Kraus Sandor Hung. Speleological Society Budapest Hungary Szekelly Kinga Speleological Inst. Budapest Hungary Hala Jozsef Hung. Geological Inst. Budapest Nepstadion ut 14 1142 Hungary Szablyar Peter Inst. for Alluminium Industry Budapest Hungary Martinovich Sandor Inst. of Cartography Budapest Hungary INDONESIA Soewarno Darsoprajitno (GRDC-J1 Diponegoro 57)C/O Jalan Gamelan 5, Bandung 40264 Indonesia IRAN Dr. Ahmad Afrasiabian Ministry of Energy Bureau of Water Resources Study and Planning Box 14155-6359 Tehran, Iran Bavoodi, M. Ministry of Energy Fatemi Square No.55 Tehran Iran Dr. Bijan Aghili Mahab Ghodss C.E.Co 17 Takharestan Alley Shahid Vahid Dastgerdy Ave Tehran 19187 P.O. Box 15815-1791 Tehran-Iran Fax: 0098 21 221079 Dr. Ezatollah Raeissi Department of Geology College of Science Shiraz University Shiraz 71454, Iran Farhoudi G. Department of Geology College of Science Shiraz University Shiraz 71454, Iran Dr. Gholam Aliik Khalkhali Shijini Ministry of Energy Bureau of Water Resources Study and Planning P.O.Box 14155-6359 Tehran, Iran Moore, Farid Department of Geology College of Science Shiraz University Shiraz 71454, Iran Raeissi-Ardakani Department of Geology College of Science Shiraz University Shiraz 71454, Iran

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