Bird migrations
By: [by] Z. Swirski. Translated from Polish [by Zofia Kapuścińska]
Publisher: Published for the Dept. of the Interior by Polish Scientific Publishers [available from the Office of Technical Services, U.S. Dept. of Commerce, Washington]
Published: 1965
Place of publication: Warsaw
Language: eng
Number of pages: 104
Subjects: Birds -- Migration.
Notes: Cover title.
Translation of O wędrówkach ptaków.