Engineering design communication : conveying design through graphics /

by Lockhart, Shawna D., 1957- .
Published 2000

A tutorial guide to AutoCAD 2008 /

by Lockhart, Shawna D., 1957- .
Published 2008

A tutorial guide to autoCAD release 13 for windows : includes coverage of autovision and autoCAD designer /

by Lockhart, Shawna D., 1957- .
Published 1996