Stranit︠s︡i ot kalendara na bŭlgarskata geologii︠a︡
Subtitle: "80 godini Bŭlgarsko geologichesko druzhestvo"
By: Bozhidar Mavrudchiev.
Publisher: Bŭlgarsko geologichesko druzhestvo
Published: 2005
Place of publication: Sofii︠a︡
Language: bul
Number of pages: 135
Subjects: Bŭlgarsko geologichesko druzhestvo -- History -- Chronology; Geology -- Bulgaria -- History -- Chronology
Genres: Chronology.