00305nam 2206282 45000010005000000030023000050050009000280080041000370820010000781000018000882600034001063000015001402450018001556282StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a591.5 aKonrad Lorenz bNew York: Bantan Books c1971 a306p: 20cm aOn Aggression