共 5 条
[1]
ADDY CE, 1956, GUIDE WATERFOWL B ED
[2]
BALLOU ROBERT M., 1964, J WILDLIFE MANAGE, V28, P846, DOI 10.2307/3798802
[3]
BARTONEK JAMES C., 1964, J WILDLIFE MANAGE, V28, P688, DOI 10.2307/3798783
[4]
Hanson HC, 1965, GIANT CANADA GOOSE
[5]
Martin F. R., 1963, Journal of Wildlife Management, V27, P288, DOI 10.2307/3798409