Timoshenko,S.P Young, D.H. <br/><br/>
Elements of Strength of Materials 

 - 5th Ed. 
 - NEW DELHI  EWP  1980 
 - p.374 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Torsion<br/>Theory of Columns
<br/><br/><label>Dewey Class. No.: </label>620.11 T585