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Author Title Year Publication Serial (up) Volume Pages
Topál, J.; Csányi, V. Interactive learning in the paradise fish (Macropodus opercularis): an ethological interpretation of the second-order conditioning paradigm 1999 Animal Cognition 3302 2 197-206
Wauters, A. M.; Richard-Yris, M.-A.; Richard, J. P.; Foraste M. Internal and external factors modulate food-calling in domestic hens 1999 Animal Cognition 3306 2 1-10
Westergaard, G.C. Structural analysis of tool-use by tufted capuchins (Cebus apella) and chimpanzees (Pan troglodytes) 1999 Animal Cognition 3324 2 141-145
Wiltschko, W.; Balda, R.P.; Jahnel, M.; Wiltschko, R. Sun compass orientation in seed-caching corvids: its role in spatial memory 1999 Animal Cognition 3335 2 215-221
Theall, L.A.; Povinelli, D.J. Do chimpanzees tailor their gestural signals to fit the attentional states of others? 1999 Animal Cognition 3353 2 207-214
Spinozzi, G.; Natale, F.; Langer, J.; Brakke, K.E. Spontaneous class grouping behavior by bonobos (Pan paniscus) and common chimpanzees (P. troglodytes) 1999 Animal Cognition 3356 2 157-170
Werner, C. W.; Rehkämper, G. Discrimination of multidimensional geometrical figures by chickens: categorization and pattern-learning 1999 Animal Cognition 3359 2 27-40
Langen, T.A. How western scrub-jays (Aphelocoma californica) select a nut: effects of the number of options, variation in nut size, and social competition among foragers 1999 Animal Cognition 3387 2 223-233
Weed M.R.; Taffe M.A.; Polis I.; Roberts A.C.; Robbins T.W.; Koob G.F.; Bloom F.E.; Gold L.H. Performance norms for a rhesus monkey neuropsychological testing battery: acquisition and long-term performance 1999 Cognitive Brain Research 3459 8 185-201
Griffiths D.; Dickinson A.; Clayton N. Episodic memory: what can animals remember about their past? 1999 Trends in Cognitive Sciences 3460 3 74-80