00333nam a2200121Ia 4500008004100000040002500041082001400066100002000080245003100100250001900131260005300150300000800203230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a620.7 G77  aGraupe, Daniel  0aIdentifications of systems  aSecond Edition  bRobert E. Krieger Publishing Company, Inc.c1976  a276