Polak, Peter <br/><br/>
Designing for strength :  principles and practical aspects of stress analysis for engineers and students / 
Peter Polak 
 - London :  MacMillan,  1982 
 - 310 p. :  ill. ;  24 cm. 
<br/><br/>p. [304]-307 
<br/><br/><label>ISBN: </label>0333326741 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Structural design<br/>Structures, Theory of