Green, L <br/><br/>
Are there two classes of classically-conditioned responses?  [electronic resource] 

 -  The Pavlovian journal of biological science   
 - 154-62 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0093-2213 
<br/><br/><label>Standard No.: </label>10.1007/BF03001388  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Appetitive Behavior<br/>Avoidance Learning<br/>Color Perception<br/>Columbidae<br/>Conditioning, Classical<br/>Emotions<br/>Reinforcement Schedule