Bŭlgari-izobretateli
Subtitle: iz istorii︠a︡ta na bŭlgarskoto izobretatelstvo
Publisher: Tekhnika
Published: 1973
Place of publication: Sofii︠a︡
Language: bul
Number of pages: 363
Subjects: Inventions
Notes: At head of title: Mladen G. T︠S︡onev.

Includes bibliographical references.