TY  - GEN
AU  - Dutta, BN
TI  - Estimating and costing in civil engineering: theory and practice
SN  - 0185273685
U1  - 624.1042 
PY  - 1991///
CY  - New Delhi
PB  - UBSPD
KW  - Civil engineering - estimating & costing
N1  - Including specification and valuation
ER  -