Review - Höhlenkunde (Spelaeology) by Hubert Trimmel (UBSS Proceedings v.11(3))
Proceedings » Volume 11 » Sub-volume 3
Gundlach,H.T., 1968. Review - Höhlenkunde (Spelaeology) by Hubert Trimmel.
UBSS Proceedings, 11(3) , pp 300-0 Download PDF.
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