000
00270nam a2200109Ia 4500
008
220201s1997 xx 000 0 eng d
100
_a
AGGARWAL A
245
0
_a
CIVIL ESTIMATING AND COSTING
260
_a
DELHI
_b
S K KATARIA AND SONS
_c
1997
300
_a
501
942
_2
ddc
999
_c
91954
_d
91954