Shimp, C P <br/><br/>
Time-allocation, matching, and contrast.  [electronic resource] 

 -  Journal of the experimental analysis of behavior  Jul 1974 
 - 1-10 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0022-5002 
<br/><br/><label>Standard No.: </label>10.1901/jeab.1974.22-1  doi