GROTOLAZ. No. 3-4 (19-20): XII 1956.

No. 3-4 (19-20): December 1956. p. 42, [1].
GROTOŁAZ. Bulletin of the Cracow Branch Section of Cave Mountaineering of PTTK. Cracow. Editor. P. Burchard, R. Gradziński, M. Kuczyński, R. Unrug. 4. brochure.
Time. BJ 3, 315. covers slightly rubbed, otherwise good condition. Typescript reproduced, photographs pasted in. Each issue was published in an edition of 177 copies. Published 3 issues of the magazine (the last one combined 3/4). Continuation, in a changed form, of "The Chronicle of the Cracow Caving Club" published in 1950-1952.
Includes, among others: Classification in cave mountaineering, Bielska Cave, Caves and speleology in Hungary, Some remarks on French caving equipment, The largest cave in Latin America.