共 20 条
[1]
ALBRIGHT HM, 1933, SCI MONTHLY JUN, P483
[2]
Allen D.L., 1979, WOLVES MINONG THEIR
[3]
Cole G.F., 1971, Transactions N Am Wildl nat Resour Conf, VNo. 36, P417
[5]
EVERHART WC, 1983, NATIONAL PARK SERVIC
[6]
FRANKLIN JF, 1985, PARK SCI, V5, P19
[7]
HERRMANN R, 1982, BIOSPHERE RESERVE EX, P103
[8]
HOUSTON D.B., 1982, NO YELLOWSTONE ELK E
[10]
KEITER RB, 1984, ASSESSMENT RES NEEDS