Census techniques for seabirds of arctic and eastern Canada /
Nettleship, David N. 1942-
Census techniques for seabirds of arctic and eastern Canada / D.N. Nettleship. - [Ottawa] : Canadian Wildlife Service, 1976. - 33 p. ; il. ; 23 cm. - Occasional paper / Canadian Wildlife Service ; 25 .
Bibliografía: p. 25.
Inglés
Sea birds Aves marinas
598.07232
Census techniques for seabirds of arctic and eastern Canada / D.N. Nettleship. - [Ottawa] : Canadian Wildlife Service, 1976. - 33 p. ; il. ; 23 cm. - Occasional paper / Canadian Wildlife Service ; 25 .
Bibliografía: p. 25.
Inglés
Sea birds Aves marinas
598.07232