Štelcl, O. (1966). Problems of the speleological research: Proceedings of the International Speleological Conference held in Brno June 29 - July 4, 1964. Praha: Academia.
Chicago Style CitationŠtelcl, Otakar. Problems of the Speleological Research: Proceedings of the International Speleological Conference Held in Brno June 29 - July 4, 1964. Praha: Academia, 1966.
MLA CitationŠtelcl, Otakar. Problems of the Speleological Research: Proceedings of the International Speleological Conference Held in Brno June 29 - July 4, 1964. Praha: Academia, 1966.
Warning: These citations may not always be 100% accurate.