Thomas, D R <br/><br/>
Context specificity of operant discriminative performance in pigeons: II. Necessary and sufficient conditions.  [electronic resource] 

 -  Journal of the experimental analysis of behavior  Sep 1993 
 - 313-29 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0022-5002 
<br/><br/><label>Standard No.: </label>10.1901/jeab.1993.60-313  doi