TY  - GEN
AU  - Anstey,S.
TI  - The Status and conservation of the white-headed duck Oxyura leucocephala: a report on a joint study carried out by the International Waterfowl and Wetlands Research Bureau and the Wildfowl and Wetlands Trust
T2  - Special publication no: 10
U1  - KUŞ 598.4 
PY  - 1989///
CY  - [Y.y.]
PB  - IWRB
KW  - White-headed duck -- Asia, Central
KW  - Birds -- Conservation
ER  -