00361nam a2200133Ia 4500008004100000041000800041082001400049100001400063245006300077250001200140260004000152300000800192650002700200230711s9999||||xx |||||||||||||| ||und||  aENG  a621bGU-E  aGupta,J.B 2aA course in electrical installation estimating and costing  a8th Ed.  c2005aNew DelhibS.K Kataria & Sons  a498  aElectrical Engineering