TY  - BOOK
AU  - Kohli, D. D.
AU  - Kohli , R. C.
TI  - Textbook of estimating and costing: (civil) 
SN  - 8121903327
PY  - 2004///
CY  - New Delhi
PB  - S Chand & Co.
KW  - Civil Engineering,estimation And Cost
ER  -