TY  - BOOK
AU  - Bang T.R
AU  - Sharma S.C
TI  - Mechanical Estimating and Costing
SN  - 0000007593
U1  - 621.033 
PY  - 1977///
CY  - New Delhi
PB  - Khanna Publications,New Delhi.
KW  - MathematicsCosting  Estimating  Mechanical
ER  -