TY  - BOOK
AU  - Dutta,B.N.
TI  - Estimating and Cisting in Civil Engineering : theory and practice 
SN  - 8174762132
U1  - 592.5 22
PY  - 2001///,1959
CY  - New Delhi.
PB  - UBS Publishers.
KW  - Eastimating building Consitruction
ER  -