000 00306nam a2200109Ia 45e0
008 181001s1969 xx 000 0 und d
100 _aEsrnay Merle
245 0 _aPrinciples of animal environment
260 _bA.V.I. Pub.
_c1969
300 _a325
942 _2ddc
_cBK
999 _c2401
_d2401