Muhlenbruch, Carl W. <br/><br/>
Mastering AutoCAD 2013 and AutoCAD LT 2013 
George Omura and Brian C. Benton 
 - 2nd ed. 
 - New York  Van Nostrand  c1955 
 - 243p.  ill.;  23cm 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0055006233 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Building materials--Testing.<br/>Engineering--Labarotary manuals.<br/>Strength of materials.