Speleologiya i karstovedenie
Subtitle: materialy Soveshchaniya po speleologii i karstovedeniyu, 17-18 dekabrya 1958 g.
By: pod red. N.A. Gvozdetskogo.
Publisher: Moskovskoe obshchestvo ispytatelei prirody
Published: 1959
Place of publication: Moskva
Language: rus
Notes: Added title page and summaries in English.