Bourke AFG and Franks NR (1995) Social Evolution in Ants. Princeton, NJ: Princeton University Press.
Clutton-Brock TH (2002) Breeding together: Kin selection and mutualism in cooperative vertebrates. Science 296: 69-72.
Dawkins R (1989) The Selfish Gene, 2nd edn. Oxford: Oxford University Press.
Dugatkin LA (1997) Cooperation among Animals. New York: Oxford University Press.
Grafen A (1991) Modelling in behavioural ecology. In: Krebs JR and Davies NB (eds.) Behavioural Ecology, 3rd edn., pp. 5-31. Oxford: Blackwell.
Griffin AS and West SA (2003) Kin discrimination and the benefit of helping in cooperatively breeding vertebrates. Science 302: 634-636.
Hamilton WD (1996) Narrow Roads of Gene Land: Evolution of Social Behaviour. New York: Freeman.
Maynard-Smith J and Szathmary E (1995) The Major Transitions in Evolution. Oxford: Oxford University Press.
Queller DC and Strassman JE (1998) Kin selection and social insects. Bioscience 48: 165-175.
West SA, Pen I, and Griffin AS (2002) Cooperation and competition between relatives. Science 296: 72-75.
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