00285nam a2200109 a 450000500170000002000150001708200170003210000220004924500320007126000470010330000250015020251203110644.0  a0534940986  a621.317bBAL  aBaliga, B. Jayant  aPower Semiconductor Devices  aSingaporebThomson/Course Technologyc1995  axix,600p.c24 cm. PB