TY  - GEN
AU  - Onstott, Scott 
TI  - Autocad 2012 and autocad  LT 2012 essentials: autodesk official training guide
SN  - 9788126532162
PY  - 2012///
CY  - New Delhi
PB  - Wiley
KW  - Autocad
KW  - Modeling - 3D
ER  -