Bŭlgarski peshteri =
Subtitle: Grottes bulgares : sbornik materiali
By: [redakt͡s︡ionna kolegii͡a︡, glaven redaktor Petŭr Beron].
Contributors: Beron, Petŭr, 1940-
Publisher: BFPA
Published: 1900
Place of publication: Sofii͡a︡
Language: bul
Subjects: Caves -- Bulgaria.
Other titles: Grottes bulgares.