共 51 条
[1]
ALBERT DM, 1991, WILDLIFE SOC B, V19, P339
[3]
ANDERSON DW, 1988, WILDLIFE SOC B, V16, P339
[5]
ASHENAFI ZT, 2001, THESIS U KENT UK
[6]
ASHENAFI ZT, IN PRESS HUM ECOL
[7]
BOYLE SA, 1985, WILDLIFE SOC B, V13, P110
[8]
Buckland S. T., 1993, Distance sampling: estimating abundance of biological populations.