Pytel, Andrew. <br/><br/>
Stength of of materials  

 - 4th 
 -  Harper collins   New York  1987 
 - 594p  hb 
 - Stength of of materials  .
<br/><br/><br/>En 
<br/><br/><label>Subjects--Personal Names: </label><br/>Engineering
<br/><br/><label>Dewey Class. No.: </label>620.112  /  PYT