共 5 条
[1]
DODGE WENDELL E., 1960, JOUR WILDLIFE MANAGEMENT, V24, P340, DOI 10.2307/3797527
[2]
Gurr L., 1955, Ibis, V97, P584, DOI 10.1111/j.1474-919X.1955.tb04986.x
[3]
GYSEL LESLIE W., 1956, JOUR WILDLIFE MANAGEMENT, V20, P451, DOI 10.2307/3797161
[5]
WELLER MW, 1972, AUK, V89, P196