TY  - BOOK
AU  - Dutta .B.N 
TI  - Estimating And Costing In Civil Engineering Theory And Practice Including Specifications And Valuations 
SN  - 978-8174763839
PY  - 2012///
CY  - Delhi 
PB  - UBS  Pub . Distributors 
KW  - FS
UR  - FS  ( 8 )
ER  -