Savastano, H <br/><br/>
Differences in delay, not ratios, control choice in concurrent chains.  [electronic resource] 

 -  Journal of the experimental analysis of behavior  Jul 1996 
 - 97-116 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0022-5002 
<br/><br/><label>Standard No.: </label>10.1901/jeab.1996.66-97  doi