Helsel, Jay D <br/><br/>
Drawing workbook to accompany engineering drawing and design 
prepared by Jay D. Helsel, Dennis R. Short 
 - 7th ed 
 - Boston  McGraw-Hill Higher Education  c2008 
 - 1 v. (various pagings) : chiefly ill. ; 28 cm 
<br/><br/><label>ISBN: </label>9780073319322 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering design<br/>Mechanical drawing
<br/><br/><label>Dewey Class. No.: </label>620.0042 HEL