00343nam a2200145Ia 4500008004100000082001700041100001400058245002200072250000800094260002900102300001200131500002400143650001500167700001500182230524s9999    xx            000 0 und d  a621.382bGUP  aB.R.Gupta 0aPower Electronics  a4TH  aNEW DELHIbKatariac2004  aXVI;504  aQuantity Number:  4  aElectrical  a V.Singhal