TY  - BOOK
AU  - Jensen, Cencil 
AU  - Helsel, Jay D. Short, Dennis R. 
TI  - Engineering Drawing And Design 
SN  - 9781259025570
U1  - 604.2 
PY  - 2012///
CY  - New Delhi; 
PB  - Tata McGraw Hill Education Private Limited 
ER  -