00297nam a2200121Ia 4500100003200000650002700032654001300059245003400072260003900106082001000145300000800155546001200163  aBapat/ Y.N./ Halkias/ C.C.   aElectrical Engineering  acircuits  aElectronic devices & circuits  bTata Mc Graw hillaNew Delhic1979  a621.3  a418  aENGLISH