Biologii͡a︡ ptit͡s︡
Subtitle: posobie dli͡a︡ Uchiteli͡a︡.
Publisher: Gos. uchebio-pedagog. izd-vo
Published: 1960
Place of publication: Moskva
Language: rus
Number of pages: 300
Subjects: Birds -- Physiology.
Notes: Includes bibliography.