Robert. C Birney <br/><br/>
Reinforcement : An Enduring Problem in Psychology 

 - New York  D. Van Nosfrand Co Inc  1961 
 - 230p 
<br/><br/>Robert. C Birney & Richard C Teevan: Reinforcement : An Enduring Problem in Psychology.  New York.  D. Van Nosfrand Co Inc, 1961.--(153.15BIR)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>153.15  / BRI