TY  - BOOK
AU  - KalamejaAlan J
AU  - LangKevin
TI  - AutoCAD 2011 tutor for engineering graphics / 
SN  - 9781111135898
AV  - T385. K34395 2011
PY  - 2011///
CY  - Clifton Park, NY
PB  - Delmar, Cengage Learning
ER  -