TY  - BOOK
AU  - Delacour ,Jean
TI  - The water fowl of the world
SN  - 0600434613 :
U1  -  598.4 
PY  - 1974///
CY  - London
PB  - Arco Pub.
KW  - Swans
KW  - Birds
KW  - Behavior
N1  - Includes index
ER  -