TY  - BOOK
AU  - Murthy, Trymbaka, S 
TI  - Computer aided engineering drawing 
SN  - 81-88237-94-9 
U1  - 604.3 MUR  
PY  - 2006///
CY  - IK International publishing house 
PB  - New Delhi 
KW  - MECHANICHAL
ER  -