00310nam a2200133Ia 4500008004100000020001800041041000800059082001800067100001500085245002400100260002100124365001600145700001500161230718s9999    xx            000 0 und d  a9780070260962  aeng  a621.3192bSIN  aSingh R.R.  aElectrical Networks  bTata McGraw Hill  cRs.b475.00  aSingh R.R.