UIS Commission on Karst Hydrogeology and Speleogenesis
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Karstbase Bibliography Database

Stephenson,William J.
Society emblem
NSS Bulletin
1940
2
1
1
1469517
society-emblem_sekaID-3749
Stephenson,William J., 1940, Society emblem , NSS Bulletin , 2 - 1 http://www.caves.org/