Helson Harry <br/><br/>
Adaptation level theory    an experimental and systematic approach to behavior ed by Gardner murphy 
Helson Harry 
 -  1964 
<br/><br/><label>Standard No.: </label>82,637 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PSYCHOLOGY
<br/><br/><label>Dewey Class. No.: </label>S:795, K41