TY  - BOOK
AU  - Mebust, Larry E.
TI  - Gray Whales: A Bird´s Eye View: A field guide for boat skippers and whalewatchers 
SN  - 0963548506
U1  - 599.522 23
PY  - 1992///
CY  - Long Beach, California
PB  - Offshore Publishing
KW  - Whale watching
KW  - Avistamiento de ballenas
ER  -