00363nam a2200133Ia 4500008004100000020001500041041001200056082001100068100001600079245007700095260004200172300000800214650000700222221030s9999    xx            000 0 und d  a8188458996  aEnglish  a105.23  aJ. B. Gupta 2aA Course in Electrical Installation Estimating & Costingcby J. B. Gupta  bS. K. Kataria & SonsaNew Delhic2008  a498  aEE