00335nam a2200133Ia 4500008004100000041001200041082001600053100001600069245005500085260003000140300000800170650000700178700001600185221030s9999    xx            000 0 und d  aEnglish  a105.23bAro  aB. D. Arora 0aHandbook of Electrical Wiring Estimating & Costing  bR.B Pub.aNew Delhic1992  a399  aEE  aS. L. Uppal