000 00320nam a2200121Ia 4500
008 220201s1994 xx 000 0 eng d
082 _a692.5
_bBIR
100 _aBirdie, G S & Birdie, S S
245 0 _aText book of estmating & costing (civil eng)
260 _bDhanpal Rai & sons
_c1994
300 _a1045
942 _2ddc
999 _c26504
_d26504