AUTHOR=Cui Xu TITLE=Hyperbolic Discounting Emerges from the Scalar Property of Interval Timing JOURNAL=Frontiers in Integrative Neuroscience VOLUME=5 YEAR=2011 URL=https://www.frontiersin.org/journals/integrative-neuroscience/articles/10.3389/fnint.2011.00024 DOI=10.3389/fnint.2011.00024 ISSN=1662-5145