Pfaff Donald W. <br/><br/>
Psychological mechanisms of motivation   

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 - New York  Springer-Verlag  1982 
 - 482 p.  24 cm. 
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<br/><br/>  Motivation, Psychophysiology 
<br/><br/><label>ISBN: </label>0387906509 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychophysiology<br/>Motivation
<br/><br/><label>Dewey Class. No.: </label>152.5  / PFA