00283nam a2200121Ia 450000500170000000800410001704100080005808200130006610000190007924500170009826000370011530000090015220260720174630.0260720s1978    xx            000 0 und d  aeng  a823 GREH  aGreene, Graham  aHuman factor  aNew ZealandbPenguin Booksc1978  a264p