共 6 条
[1]
Anderson A., 1963, Journal of Wildlife Management, V27, P284, DOI 10.2307/3798408
[2]
Blokpoel H., 1981, Colonial Waterbirds, V4, P61, DOI 10.2307/1521113
[3]
Day G. I., 1980, WILDLIFE MANAGEMENT, P61
[4]
HOWE MA, 1980, J FIELD ORNITHOL, V51, P72