Obsht energichen balans na Búlgarii︠a︡ za godinite 1939-1952
By: Dimitŭr A. Georgiev, Boris St. Kostov
Contributors: Kostov, Boris St
Publisher: Izd. na Bŭlgarskata akademii︠a︡ na naukite
Published: 1958
Place of publication: Sofii︠a︡
Language: bul
Number of pages: 189
Subjects: Power resources
Notes: At head of title: Bŭlgarska akademii︠a︡ na naukite. Otdelenie za fiziko-matematicheski i tekhnicheski nauki. Tekhnicheski institut.

Summaries in French and Russian.