TY  - BOOK
AU  - Sibley, David, 1961-, 
TI  - National Audubon Society The Sibley Master guide to birds : field identification / written and illustrated by David Sibley
SN  - 9780679451228
AV  - QL681  S53
PY  - 2000///
CY  - New York : 
PB  - Knopf
KW  - Aves --
KW  - América del Norte --
KW  - Identificación
KW  - Birds --
KW  - North America --
KW  - Identification
ER  -