Some Derbyshire caves (UBSS Proceedings v.2(1))
Proceedings » Volume 2 » Sub-volume 1
Palmer,L.S., and Tratman,E.K., 1923. Some Derbyshire caves.
UBSS Proceedings, 2(1) , pp 90-94.
Abstract: not available
Proceedings » Volume 2 » Sub-volume 1
Abstract: not available