TY  - GEN
AU  - Omura, George
AU  - Graham, Rick
TI  - Mastering autoCAD2012 and autoCAD LT 2012: autodesk official training guide
SN  - 978040952887
PY  - 2011///
CY  - Indiana
PB  - Wiley
KW  - AutoCAD.
KW  - Computer-aided design
ER  -