000 00332nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c545/-
040 _aET
100 _aDUTTA B.N
245 0 _aESTIMCTING AND COSTING IN CIVIL ENGINEERING
260 _bUBS PUB.
_aNEW DELHI
300 _a904
500 _a42658
942 _cBK
999 _c48673
_d48673