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Proceedings of the International Conference on Environmental Changes in Karst Areas I.C.E.C.K.A.

其他書名	Italy, September 15th-27th, 1991
出版	Università di Padova, 1991
URL	http://books.google.com.hk/books?id=GYE1YgkuKcgC&hl=&source=gbs_api