См. Nicholas Humphrey, «The Social Function of Intellect», в P. P. G. Bateson and R. Hinde, eds., Growing Points in Ethology, 303–317 (Cambridge, U. K.: Cambridge University Press, 1976); Richard Byrne and Lucy Bates, «Sociality, Evolution and Cognition», Current Biology, 17, no. 16 (2007): R714–723.
