000 00286nam a2200109Ia 4500
008 220201s1973 xx 000 0 eng d
100 _aAGGARWAL AMARJIT
245 0 _aCIVIL ESTIMATING AND COSTING AND VALUATION
260 _aDELHI
_bKATSON PUB HOUSE
_c1973
300 _a290
942 _2ddc
999 _c89509
_d89509