The influence of weather on timing and amount of goose migration in Canada
By: door Hans Blokpoel
Publisher: [s.n.]
Published: 1980
Place of publication: [s.l.]
Language: eng
Number of pages: 121
Subjects: Birds; Migration; Geese
Notes: "Stellingen ... " (4 p.) tipped in.

Thesis (doctoral)--Leiden, 1980.

Includes bibliographies.