000 00312nam a2200121Ia 4500
008 220201s1969 xx 000 0 eng d
082 _a621
_bLAL
100 _aLal, K & Prashad, Hari
245 0 _aMechanical estimating & costing
260 _bNew Delhi:Friends corporation
_c1969
300 _a337
942 _2ddc
999 _c75989
_d75989