G. M. Mills <br/><br/>
The yield line theory   A programmed text 

 -  Concrete Publications  London  1970 
 - 96pg  PB 
 - The yield line theory .
<br/><br/><br/>En 
<br/><br/><label>Subjects--Personal Names: </label><br/>Civil Engg
<br/><br/><label>Dewey Class. No.: </label>624.18341  / MIL