Cocaine and food deprivation : effects on food-reinforced fixed-ratio performance in pigeons Hughes, Christine E., 1963- creator text book 1991 1991
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ENG Typescript. Thesis (Ph. D.)--University of Florida, 1991. Vita. Behavior Cocaine Dissertations, Academic Food supply Pigeons Psychology Psychology thesis Ph. D Reinforcement (Psychology) UF LD1780 1991 .H893 https://www.biodiversitylibrary.org/bibliography/48854 25604939 10.5962/bhl.title.48854 FUG