Dni i noshti pod zemi͡a︡ta
Subtitle: [dnevnik na peshternata ekspedit͡s︡ii͡a︡ v Desni Sukhi pech]
By: Alekseĭ Zhalov, Stefan T͡S︡onev.
Contributors: T͡S︡onev, Stefan Venet͡s︡, joint author.
Edition: 1. izd.
Series: Poredit͡s︡a Pokoriteli na prirodata
Publisher: Medit͡s︡ina i fizkultura
Published: 1980
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 97
Subjects: Caving -- Bulgaria.
Notes: Bibliography: p. 96.