TY  - BOOK
AU  - Irving,Laurence
TI  - Birds of Anaktuvuk Pass, Kobuk, and Old Crow: a study in Arctic adaptation 
T2  - Bulletin / U.S. National Museum
U1  - 598.09798 23
PY  - 1960///]
CY  - [Washington
PB  - Smithsonian Institution
KW  - Birds
KW  - Aves
N1  - Bibliografía : p. 357-368
ER  -