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Caves

Tony Waltham

出版	Crown Publishers, 1974
主題	Science / Earth Sciences / Geology
ISBN	05175157929780517515792
URL	http://books.google.com.hk/books?id=pNssAAAAMAAJ&hl=&source=gbs_api

註釋

Inquires into methods and techniques of cave exploration, mechanisms and processes of cave formation, ornamentation, and deposits, historical uses of caves, and the animal life of caves.