1. Preference reversal and delayed reinforcement;Ainslie;Animal Learning & Behavior,1981
2. Hyperbolic discounting;Ainslie,1992
3. When does duration matter in judgment and decision making?;Ariely;Journal of Experimental Psychology: General,2000
4. Impulsivity and cigarette smoking: Delay discounting in current, never, and ex-smokers;Bickel;Psychopharmacology,1999
5. Nonverbal representations of time and number in animals and human infants;Brannon,2003