000 00310nam a2200109Ia 45e0
008 181001s1971 xx 000 0 und d
100 _aCharaya J.S.
245 2 _aA text book of estimating & costing
260 _aDelhi
_bSatya Prak.
_c1971
300 _a274
942 _2ddc
_cBK
999 _c1891
_d1891