TY  - SER
AU  - Force,Michael P.
AU  - Webb,Sophie W.
AU  - Howell,Steve N.
TI  - Identification at sea of hawaiian and Galapagos petrels
U1  - 598.42 21
CY  - 2007
KW  - Petrels
KW  - Petreles
KW  - Galápagos
KW  - seabirds
KW  - aves de mar
ER  -