J. GOMEZ: Species comparative studies and cognitive development. In: Trends in Cognitive Sciences. 9, 2005, S. 118–125, doi:10.1016/j.tics.2005.01.004.
Estrella Triana, Robert Pasnak: Object permanence in cats and dogs. In: Animal Learning & Behavior. 9, 1981, S. 135–139, doi:10.3758/BF03212035.
H. C. Miller, C. D. Gipson, A. Vaughan, R. Rayburn-Reeves, T. R. Zentall: Object permanence in dogs: Invisible displacement in a rotation task. In: Psychonomic Bulletin & Review. 16, 2009, S. 150–155, doi:10.3758/PBR.16.1.150.
Bettina Pollok, Helmut Prior, Onur Guentuerkuen: Development of object permanence in food-storing magpies (Pica pica). In: Journal of Comparative Psychology. 114, 2000, S. 148–157, doi:10.1037/0735-7036.114.2.148.
Almut Hoffmann, Vanessa Ruettler, Andreas Nieder: Ontogeny of object permanence and object tracking in the carrion crow, Corvus corone. In: Animal Behaviour. 82, 2011, S. 359–367, doi:10.1016/j.anbehav.2011.05.012.
J. Topal, G. Gergely, A. Erdohegyi, G. Csibra, A. Miklosi: Differential Sensitivity to Human Communication in Dogs, Wolves, and Human Infants. In: Science. 325, 2009, S. 1269–1272, doi:10.1126/science.1176960.
M. Tomasello, J. Kaminski: Like Infant, Like Dog. In: Science. 325, 2009, S. 1213–1214, doi:10.1126/science.1179670.
