Kŭm istorii͡a︡ta na Bŭlgarskoto prirodoizpitatelno druzhestvo
By: Zhana Golemanova.
Publisher: Bŭlgarsko prirodoizpitatelno druzhestvo
Published: 1988
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 116
Notes: Includes bibliographical references.