Jensen, Cecil H. (Cecil Howard), 1925- <br/><br/>
Engineering drawing and design / 
Cecil Jensen, Jay D. Helsel 
 - 3rd ed. 
 - New York :  McGraw-Hill,  1985 
 - 788 p. :  ill. ;  29 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mechanical drawing<br/>Engineering design