%0 Journal Article %A R. T. Kelleher %A S. R. Goldberg %T General Introduction: Control of Drug-Taking Behavior by Schedules of Reinforcement %D 1975 %J Pharmacological Reviews %P 291-299 %V 27 %N 3 %U https://pharmrev.aspetjournals.org/content/pharmrev/27/3/291.full.pdf