L Ron Hubbard <br/><br/>
The Emotional tone scale 

 - New Era Publications International ApS, Copenhagen  2001 
 - 30p 
<br/><br/><label>ISBN: </label>87-7968-392-4 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>PSYCHOLOGY
<br/><br/><label>Dewey Class. No.: </label>157.3 Hub