Lensen C & Helsel J.D. <br/><br/>
Engineering Drawing & Design  Textual Documents  
Lensen C & Helsel J.D. 
 - 7th Ed. 
 -  Tata McGraw Hill  2012 
 - 966 
<br/><br/><label>ISBN: </label>978-1-25-902557-0   
<br/><br/><label>Dewey Class. No.: </label>604.2