Seligman, M E <br/><br/>
CS redundancy and secondary punishment.  [electronic resource] 

 -  Journal of experimental psychology  Oct 1966 
 - 546-50 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0022-1015 
<br/><br/><label>Standard No.: </label>10.1037/h0023797  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Conditioning, Psychological<br/>Electric Stimulation<br/>Male<br/>Punishment<br/>Rats<br/>Reaction Time<br/>Reinforcement, Psychology