共 19 条
[1]
Andrew R. J., 1956, Ibis, V98, P502, DOI 10.1111/j.1474-919X.1956.tb01436.x
[2]
Barber D, 1970, FARMING WILDLIFE STU
[5]
COUSINS S, 1977, Polish Ecological Studies, V3, P27
[6]
ENEMAR ANDERS, 1962, VAR FAGELVARLD, V21, P109
[8]
KENT AK, 1964, BIRD STUDY, V11, P123
[9]
MacArthur R.H., 1972, pvii