000
00393nam a2200133Ia 45e0
008
181001s1976 xx 000 0 und d
100
_a
Dutta B.N.
245
0
_a
Estimation & costing in Civil Engg.
260
_a
Lucknow
_b
Dutta Publisher
_c
1976
300
_a
906
942
_2
ddc
_c
BK
999
_c
2752
_d
2752