00391nam a2200157Ia 4500008004100000020001800041041000800059082001600067100001600083245004400099260002200143300002600165365001600191500001000207700001600217230718s9999    xx            000 0 und d  a0-07-084194-2  aeng  a621.38bCHR  aChryssis G.  aHigh Frequency Switching Power Supplies  c1989bMcGraw-Hill  a286dRef 154 E (5588)  cRs.b706.25  a154 E  aChryssis G.