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Grant, A, Foster, T.M, Temple, W, Jackson, S, Kinloch, J.M and Poling, A (2014) 'Reinforcer magnitude and demand under fixed-ratio schedules with domestic hens.' Behavioural Processes, 103. pp. 199-210.
Kinloch, J.M and White, K.G (2013) 'A concurrent-choice analysis of amount-dependent temporal discounting.' Behavioural Processes, 97. pp. 1-5.