Jensen, Cecil Howard,  1925- <br/><br/>
Interpreting engineering drawings / 
Cecil H. Jensen, Jay D. Helsel. 
 - 7th ed. 
 - Clifton Park, NY :  Thomson/Delmar Learning,  c2007. 
 - xIv, 511 p. :  ill. ;  28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>1418055735 (pbk.) 9781418055738 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering drawings.
<br/><br/><label>Dewey Class. No.: </label>604.25  / JEN