共 16 条
[1]
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[2]
Bertram B.C.R., 1978, P64
[4]
EDMUNDS M, 1974, DEFENCE ANIMALS
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Halls L.K., 1978, P43
[8]
Harvey P.H., 1978, P129
[10]
KUCERA E, 1976, Wildlife Society Bulletin, V4, P128