000 00305nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a591.556 M0
100 _a"Deag, John. M."
245 _aSocial Behaviour of animals
260 _a1980
_bEdward Arnold(Pub)Ltd.
_cLondon
300 _a91
942 _cBK
999 _c60750
_d60750