ESTES, W K <br/><br/>
Some reflections on the concept of secondary drive--a reply to Professor Mowrer.  [electronic resource] 

 -  Journal of comparative and physiological psychology  Apr 1950 
 - 152-3 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0021-9940 
<br/><br/><label>Standard No.: </label>10.1037/h0061592  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conditioning, Psychological<br/>Drive