000 00249nam a2200109Ia 4500
020 _a9788174766113
082 _a692.5
100 _aDUTTA, B.N
245 _aESTIMATING AND COSTING IN CIVIL ENGINEERING
260 _aNEW DELHI
_b UBS
_c2011
942 _cBK
999 _c2838
_d2838