Methods of studying visible bird migration
By: E. Kumari ; [translated from Russian by E. Rahi].
Publisher: Academy of Sciences of the Estonian SSR, Baltic Commission for the Study of Bird Migration
Published: 1980
Place of publication: Tallin
Language: eng; rus
Number of pages: 74
Subjects: Birds -- Migration.
Notes: Bibliography: p. 62-74.
Translation of: Metodika izuchenii͡a︡ vidimykh migrat͡s︡iĭ ptit͡s︡.