00482nam a2200193Ia 4500001000700000003000500007008004100012010001100053040000900064082001300073100002000086245011900106260003200225300001100257440000500268500000500273503000500278650000500283Z_2644CHAP220113s1969    xx            000 0 und d  a165704  cCHAP  a591.5 E8  aEsmay, Merle L.  aPrinciples of animal environment : environmental engineering in agriculture and food series  /cby  Merle L. Esmay  aWestport, C.  :bAVI,c1969  a325 p.  a  a  a  a