共 23 条
[1]
[Anonymous], 1987, SOIL SURVEY ITASCA C
[2]
BALLARD WB, 1983, CAN FIELD NAT, V97, P299
[3]
BALLARD WB, 1987, WILDL MONOGR, V98
[4]
Carbyn L. N., 1974, WOLF PREDATION BEHAV
[5]
CARBYN LN, 1980, 10 CAN WILDL SERV FI
[6]
CLARK KRF, 1971, THESIS U TORONTO TOR
[7]
Fritts S. H., 1981, WILDL MONOGR, V80
[9]
FULLER TK, 1988, THESIS U WISCONSIN M
[10]
Goldman EA., 1944, WOLVES N AM 1