Citace podle APA

Štelcl, O. (1966). Problems of the speleological research: Proceedings of the International Speleological Conference held in Brno June 29 - July 4, 1964. Praha: Academia.

Styl Chicago

Štelcl, Otakar. Problems of the Speleological Research: Proceedings of the International Speleological Conference Held in Brno June 29 - July 4, 1964. Praha: Academia, 1966.

Citace podle MLA

Štelcl, Otakar. Problems of the Speleological Research: Proceedings of the International Speleological Conference Held in Brno June 29 - July 4, 1964. Praha: Academia, 1966.

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