00346nam a2200121Ia 4500008004100000041001200041082002000053100001800073245006300091260003600154300001200190650002200202231217s9999    xx            000 0 und d  aEnglish  a621.381044  GWY  aGwyther H F G 0aSolving problems in electrical power and power electronics  c1988bLongman Scientific Techni  avii+203  aPower electronics