Schlinger, H <br/><br/>
Function-altering effects of contingency-specifying stimuli.  [electronic resource] 

 -  The Behavior analyst  1987 
 - 41-5 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0738-6729 
<br/><br/><label>Standard No.: </label>10.1007/BF03392405  doi