Authors: Xia, L Emmerton, J Siemann, M Delius, JD

Citation: L. Xia et al., Pigeons (Columba livia) learn to link numerosities with symbols, J COM PSYCH, 115(1), 2001, pp. 83-91

Authors: Emmerton, J

Citation: J. Emmerton, Pigeons' discrimination of color proportion in computer-generated visual displays, ANIM LEAR B, 29(1), 2001, pp. 21-35

Authors: Delius, JD Emmerton, J

Citation: Jd. Delius et J. Emmerton, Color vision: Perspectives from different disciplines, BEHAV PROC, 47(1), 1999, pp. 59-61

Authors: Delius, JD Emmerton, J Horster, W Jager, R Ostheim, J

Citation: Jd. Delius et al., Picture-object recognition in pigeons, CAH PSYCHOL, 18(5-6), 1999, pp. 621-656