000 00307nam a2200109Ia 4500
008 231107s1994 xx 000 0 und d
041 _aeng
082 _a690.2
100 _aDatta,B.N.
245 _aEstsmating & Costing in Civil Engineering:Theory & Practice
260 _aNew Delhi
_bUBS Publisher Ltd.
_c1994
999 _c921968
_d921968