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Proceedings of the International Conference on Environmental Changes in Karst Areas I.C.E.C.K.A. Italy, September15th-27th, 1991 / (published by) International Geographical Union study group "Environmental changes in Karst areas", International Speleogical Union "Commission for physics-chemistry and hydrology of Karst". Edited by : Ugo Sauro, Aldino Bondesan, Mirco Meneghel |
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