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Author

Philippe Audra

3 books found

Cover of Hypogene Karst Regions and Caves of the World

Hypogene Karst Regions and Caves of the World

Alexander Klimchouk, Arthur N. Palmer, Jo De Waele, Augusto S. Auler, Philippe Audra · First published 2017

Placeholder cover for Karsts alpins

Karsts alpins

Philippe Audra · First published 1993

Cover of Le karst du massif Moucherotte--Pic Saint-Michel

Le karst du massif Moucherotte--Pic Saint-Michel

Philippe Audra · First published 1990