Zeiler, M D <br/><br/>
On immediate function.  [electronic resource] 

 -  Journal of the experimental analysis of behavior  May 1992 
 - 417-27 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0022-5002 
<br/><br/><label>Standard No.: </label>10.1901/jeab.1992.57-417  doi