000 00320nam a2200133Ia 4500
008 220201s1991 xx 000 0 eng d
082 _a692.5
100 _aAggarwal, Amarjit Kumar S
245 0 _aCivil costing & valuation
250 _a5
260 _bDelhi :S.k Kataria & Sons
_c1991
300 _a462
942 _2ddc
999 _c84874
_d84874