000 00271nam a2200109Ia 4500
020 _a9788174767295
082 _a692.5
100 _aDUTTA, B.N
245 _aESTIMATING AND COSTING IN CIVIL ENGINEERING & THEORY AND PRACTICS
260 _aNEW DELHI
_b UBS
_c1959
942 _cBK
999 _c2840
_d2840