000 00298nam a2200121Ia 4500
008 220201s1978 xx 000 0 eng d
082 _a624.1042 MAH
_bMAH
100 _aMahajan,SP
245 0 _aCivil Estimating & costing
260 _bNew Delhi:Staya Praksah
_c1978
300 _a551
942 _2ddc
999 _c80457
_d80457