00338nam a2200133Ia 4500008004100000020001500041041001200056082001600068100001600084245005200100260002900152300000700181650001600188221030s9999    xx            000 0 und d  a8170299144  aEnglish  a105.23bUpa  aA. Upadhyay 2aA Complete guide to SMPS For PCcby A. Upadhyay  bBPB PubaNew Delhic2002  a85  aBE Computer