James, Reid  & Wendlinger, Robert M. <br/><br/>
Effective letters 

 - McGraw - Hill, New York  1973 
 - ix,266 
<br/><br/><label>ISBN: </label>0-07-051794-0 
<br/><br/><label>Dewey Class. No.: </label>651.75 Rei/Wen