TY  - BOOK
AU  - Jensen, Cencil
AU  - Helsel, Jay, D. Short, Dennis R.
TI  - Engineering drawing & design
SN  - 9781259025570
U1  - 604.2 JEN 
PY  - 2015///
CY  - India
PB  - Mc Graw Hill 
KW  - Engineering Drawing & Design
ER  -