000
00309nam a2200133Ia 4500
008
220201s1989 xx 000 0 eng d
100
_a
BANGA T R
245
0
_a
MECHANICAL ESTIMATING AND COSTING
250
_a
1
260
_a
DELHI
_b
KHANNA PUB
_c
1989
300
_a
256
700
_a
SHARMA S C
942
_2
ddc
999
_c
90663
_d
90663