论文信息 - The Whooper Swan in Great Britain - 字舞流文

The Whooper Swan in Great Britain

S. Eltringham | H. Boyd

[1] S. Eltringham. Recent Population Changes In British Ducks , 1961 .

[2] H. Boyd. Mortality and Fertility of the White-Fronted Goose , 1957 .

[3] D. Farner,et al. Birds and Mammals of Shetland , 1956 .

[4] J. Haldane,et al. The Mathematics of Bird Population Growth and Decline , 1954 .