Harper, D N <br/><br/>
Response-independent food delivery and behavioral resistance to change.  [electronic resource] 

 -  Journal of the experimental analysis of behavior  May 1996 
 - 549-60 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0022-5002 
<br/><br/><label>Standard No.: </label>10.1901/jeab.1996.65-549  doi