TY  - BOOK
AU  - Kroodsma,Donald
TI  - The Singing life of Birds: The art and Science of Listening to Birdsong 
SN  - 9780618840762
U1  - 598 23
PY  - 2005///
CY  - United States of America
PB  - Houghton mifflin company
N1  - Incluye referencias bibliográficas e indice
ER  -