Willis, Richard J. B. <br/><br/>
Cracking stress problem /  Richard J. B. Willis 

 - Grantam: Stanborough press, 2005. 
 - 176p 
<br/><br/> Includes bibliographical references. 
<br/><br/><label>ISBN: </label>1904685188 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Stress
<br/><br/><label>Dewey Class. No.: </label>155.9042 WIL