000 00296nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a591.51 L8
100 _a"Krebs, J.R. & Davies, N.B."
245 _aBehavioural Ecology
260 _a1978
_bBlackwell
_cOxford
300 _a494
942 _cBK
999 _c60577
_d60577