TY  - BOOK
AU  - Tyrrell, Esther Quesada.
TI  - Hummingbirds, their life and behavior : a photographic study of the North American species
SN  - 0-517-55336-8
PY  - 1985///
CY  - New York 
PB  - Crown
N1  - Бібліогр. : с. 205-209
ER  -