| Author |
Title |
Year |
Publication |
Serial |
Volume |
Pages |
| VanDierendonck, M.C. |
General Introduction |
2006 |
The Importance of Social Relationships in Horses - |
2366 |
Chapter 1 |
|
| Dunbar, R.I.M.; McAdam, M.R.; O'connell, S. |
Mental rehearsal in great apes (Pan troglodytes and Pongo pygmaeus) and children |
2005 |
Behavioural Processes |
2097 |
69 |
323-330 |
| Pollmann, U. |
[Keeping of horses in circus and show businesses] |
2002 |
DTW. Deutsche Tierarztliche Wochenschrift |
1914 |
109 |
126-129 |
| Pepperberg, I.M. |
In search of king Solomon's ring: cognitive and communicative studies of Grey parrots (Psittacus erithacus) |
2002 |
Brain, behavior and evolution |
579 |
59 |
54-67 |
| Johnson, D.D.P.; Stopka, P.; Knights, S. |
Sociology: The puzzle of human cooperation |
2003 |
Nature |
467 |
421 |
911-2; discussion 912 |
| Sole, L.M.; Shettleworth, S.J.; Bennett, P.J. |
Uncertainty in pigeons |
2003 |
Psychonomic bulletin & review |
366 |
10 |
738-745 |
| Clement, T.S.; Feltus, J.R.; Kaiser, D.H.; Zentall, T.R. |
“Work ethic” in pigeons: reward value is directly related to the effort or time required to obtain the reward |
2000 |
Psychonomic bulletin & review |
248 |
7 |
100-106 |
| Friedrich, A.M.; Zentall, T.R. |
Pigeons shift their preference toward locations of food that take more effort to obtain |
2004 |
Behavioural processes |
227 |
67 |
405-415 |
| de Waal, F.B.; Berger, M.L. |
Payment for labour in monkeys |
2000 |
Nature |
190 |
404 |
563 |
| Brosnan, S.F.; De Waal, F.B.M. |
Monkeys reject unequal pay |
2003 |
Nature |
179 |
425 |
297-299 |
