000 00372nam a2200121Ia 4500
008 150601s9999 xx 000 0 und d
100 _aDutta BN
245 _aEstimating and Costing in Civil Engineering: Theory and Practice including Specifications and Valuation
250 _a27
260 _b"UBS Publishers & Distributors, New Delhi"
260 _c2013
300 _a882
999 _c58128
_d58128