Seals of Arctic and eastern Canada /
Mansfield, Arthur Walter, 1926-
Seals of Arctic and eastern Canada / A. W. Mansfield. - Ottawa : Fisheries Research Board of Canada, 1963. - v. 30 p. ; il., mapas ; 25 cm. - Bulletin / Fisheries Research Board of Canada ; no. 137 .
Inglés
Pinnipedia
SH223 / .A344 no. 137
599.79
Seals of Arctic and eastern Canada / A. W. Mansfield. - Ottawa : Fisheries Research Board of Canada, 1963. - v. 30 p. ; il., mapas ; 25 cm. - Bulletin / Fisheries Research Board of Canada ; no. 137 .
Inglés
Pinnipedia
SH223 / .A344 no. 137
599.79