S. F. Brosnan and F. B. M. de Waal, “Monkeys Reject Unequal Pay,” Nat 425 (2003): 297.
784
F. Range et al., “The Absence of Reward Induces Inequity Aversion in Dogs,” PNAS 106 (2009): 340; C. Wynne “Fair Refusal by Capuchin Monkeys,” Nat 428 (2004): 140; D. Dubreuil et al., “Are Capuchin Monkeys (Cebus apella) Inequity Averse?” Proc Royal Soc of London B 273 (2006): 1223.
