TY  - BOOK
AU  - Rao, P N 
TI  - CAD/CAM: principles and applications 
SN  - 0-07-058373-0 
U1  - 604.2 RAO  
PY  - 2004///
CY  - Tata mcgraw hill 
PB  - New Delhi 
KW  - MECHANICHAL
ER  -