TY  - BOOK
AU  - Koser,P.E.,Gary
AU  - Zirwas,Dean
TI  - Workplace Skills for Success with AutoCAD 2009: Advanced, A Layered Learning Approach 
SN  - 9781282694873
PY  - 2009///
PB  - Prentice Hall
UR  - http://lib.myilibrary.com?id=269487
ER  -