TY  - BOOK
AU  - Portenko,L.A.
TI  - Birds of the Chukchi Peninsula And Wrangel Island
U1  - 598.2(47) 
PY  - 1981///
CY  - WASHINGTON D.C
PB  - SMITHONIAN INSTITUTION
KW  - Birds of the Chukchi Peninsula And Wrangel Island
ER  -