00320nam a2200133Ia 4500008004100000041000800041082001900049100001600068245003500084260002700119300000800146365001600154700001600170230612s9999    xx            000 0 und d  aeng  a621.3815'3 CAT  aCathey J.J.  aEectronic Devices And Circuits  c1989bTata McGraw Hill  a302  cRs.b215.80  aCathey J.J.