Zhivotŭt v nashite reki
Subtitle: [nauch.-popul. chetivo]
By: Boris Rusev.
Series: Poreditsa Chovekŭt i prirodata ;; 8
Publisher: Nauka i izkustvo
Published: 1979
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 182
Subjects: Freshwater animals -- Bulgaria.
Notes: Bibliography: p. 180-181.