Roberts, S <br/><br/>
What starts an internal clock?  [electronic resource] 

 -  Journal of experimental psychology. Animal behavior processes  Jul 1984 
 - 273-96 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S. 
<br/><br/><label>ISSN: </label>0097-7403 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Association Learning<br/>Discrimination Learning<br/>Extinction, Psychological<br/>Male<br/>Psychophysics<br/>Rats<br/>Time Perception<br/>Transfer, Psychology