Rygol, J.  <br/><br/>
Nomograms for the analysis of frames / 
J. Rygol. 
 - London :  Concrete publications limited,  1957. 
 - viii, 53 p. :  ill. ;  26 cm. 
<br/><br/>340  340 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nomography (Mathematics).<br/>Structural frames.	
<br/><br/><label>Dewey Class. No.: </label>624.171 / R981n