| Author |
Title  |
Year |
Publication |
Serial |
Volume |
Pages |
| de Waal, F.B.; Berger, M.L. |
Payment for labour in monkeys |
2000 |
Nature |
190 |
404 |
563 |
| Imura, T.; Tomonaga, M. |
Perception of depth from shading in infant chimpanzees ( Pan troglodytes) |
2003 |
Animal Cognition |
2550 |
6 |
253-258 |
| Clara, E.; Regolin, L.; Vallortigara, G.; Rogers, L. |
Perception of the stereokinetic illusion by the common marmoset (Callithrix jacchus) |
2007 |
Animal Cognition |
2445 |
10 |
135-140 |
| Parr, L.A. |
Perceptual biases for multimodal cues in chimpanzee (Pan troglodytes) affect recognition |
2004 |
Animal Cognition |
2544 |
7 |
171-178 |
| Gosling, S.D. |
Personality dimensions in spotted hyenas (Crocuta crocuta) |
1998 |
Journal of Comparative Psychology (Washington, D.C. : 1983) |
5019 |
112 |
107-118 |
| Madigan, J.E.; Kortz, G.; Murphy, C.; Rodger, L. |
Photic headshaking in the horse: 7 cases |
1995 |
Equine Veterinary Journal |
1940 |
27 |
306-311 |
| Suda, C.; Call, J. |
Piagetian conservation of discrete quantities in bonobos (Pan paniscus), chimpanzees (Pan troglodytes), and orangutans (Pongo pygmaeus) |
2005 |
Animal Cognition |
2494 |
8 |
220-235 |
| Bugnyar, T.; Heinrich, B. |
Pilfering ravens, Corvus corax, adjust their behaviour to social context and identity of competitors |
2006 |
Animal Cognition |
2449 |
9 |
369-376 |
| Flack, J.C.; Jeannotte, L.A.; de Waal, F.B.M. |
Play signaling and the perception of social rules by juvenile chimpanzees (Pan troglodytes) |
2004 |
Journal of comparative psychology (Washington, D.C. : 1983) |
172 |
118 |
149-159 |
| Flack, J.C.; Girvan, M.; de Waal, F.B.M.; Krakauer, D.C. |
Policing stabilizes construction of social niches in primates |
2006 |
Nature |
298 |
439 |
426-429 |
