TY  - BOOK
AU  - Lubke , Anton
ED  - 
TI  - World of Caves tr. From the German by Michael Bullock., The
U1  - 551.44 Lub 
PY  - 1958///
CY  - London
PB  - Weidenfeld & Nicolson
KW  - Depressions and Openings
N1  - B
ER  -