TY  - BOOK
AU  - Trymbaka Murthy S
TI  - Compuer aided engineering drawing / 3rd ed: As per the latest BIS standards
SN  - 8188237949
U1  - 62(084.11) 
PY  - 2006///
CY  - New Delhi
PB  - I K Internatioal 
KW  - Projection of Points
KW  - SP : 46-2003
ER  -