00425     2200157   4500001002100000008003900021035002000060245004200080100002300122260002200145300002700167084002200194082001600216650002100232990001400253INLIS000000000004455                                   N    a0010-0317004453  aHandbook of Switchmode Power Supplies  aBillings, Keith H.  bMcGraw-Hillc1989  axxvi, 3230 hlm.c23 cm  a621.381 044 Bil h  a621.381 044  aelektronis, alat  a225091112