00260nam a2200109Ia 4500008004100000041001200041082001100053100002000064245005400084260000600138650000600144221030s9999    xx            000 0 und d  aEnglish  a105.23  aS. P. E. Xavier 0aPrinciples of Control Systemscby S. P. E. Xavier  c0  aB