TY  - BOOK
AU  - Gary Koser,P.E.,Dean Zirwas
TI  - Workplace Skills for Success with AutoCAD 2009: BASICS, A Layered Learning Approach 
SN  - 9781282660670
PY  - 2009///
PB  - Prentice Hall
UR  - http://lib.myilibrary.com?id=266067
ER  -