| Author |
Title |
Year |
Publication |
Serial  |
Volume |
Pages |
| Katz, J.S.; Wright, A.A. |
Same/different abstract-concept learning by pigeons |
2006 |
Journal of Experimental Psychology. Animal Behavior Processes |
2764 |
32 |
80-86 |
| Murai, C.; Tomonaga, M.; Kamegai, K.; Terazawa, N.; Yamaguchi, M.K. |
Do infant Japanese macaques ( Macaca fuscata) categorize objects without specific training? |
2004 |
Primates |
2813 |
45 |
1-6 |
| Rilling, M.E.; Neiworth, J.J. |
How animals use images |
1991 |
Science Progress |
2831 |
75 |
439-452 |
| Pepperberg, I.M.; Brezinsky, M.V. |
Acquisition of a relative class concept by an African gray parrot (Psittacus erithacus): discriminations based on relative size |
1991 |
Journal of Comparative Psychology |
3610 |
105 |
286-294 |
| Gácsi, M.; Kara, E.; Belényi, B.; Topál, J.; Miklósi, Á. |
The effect of development and individual differences in pointing comprehension of dogs |
2009 |
Animal Cognition |
4969 |
12 |
471-479 |
