Pytel , Andrew  <br/><br/>
Strenth of materials / 
by Andrew Pytel and Ferdinend L. Fletcher 
 - 4th Ed. 
 - India :  harper Colins ,  ©1997. 
 - XIII, 594p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machanical Engineering Strenth Materials 
<br/><br/><label>Dewey Class. No.: </label>620.112 AND