TY  - BOOK
AU  - Kear,Janet
TI  - Ducks, geese, and swans
T2  - Bird families of the world
SN  - 0198546459
AV  - QL696.A52 D84
U1  - 598.4/1 22
PY  - 2005///
CY  - Oxford
PB  - Oxford University Press
KW  - Patos
KW  - Gansos
KW  - Cisnes
ER  -