Freytag, H. <br/><br/>
The Contaflex Way 
H. Freytag 
 - New York  Focal Press Ltd.  1957 
 - 312p;   23 cm.  
<br/><br/><label>ISBN: </label> 18.75 
<br/><br/><label>Dewey Class. No.: </label>770   / FRE-CO