(2008)
(2008)
(2008)
(JanuaryMarch March 2008)
Evolutionary Anthropology, Vol. 10 (2001), pp. 58-71.
(2003), pp. 553-563.
Proceedings of the Zoological Society of London, Vol. 138 (1962), pp. 279-294.
(1992), pp. 66-86.
Animal Behaviour, Vol. 58 (1999), pp. 307-319.
(1997), pp. 99-143.
(1999)
(2004)
(2003)
(2008), pp. 702-709.
Behavioral Ecology and Sociobiology, Vol. 62, No. 4. (2008), pp. 549-559.
Nature, Vol. 441, No. 7091. (2006)
(2002)
(2002), pp. 293-300.
(2002), pp. 285-292.
(1997)
Philosophical Transactions of the Royal Society of London: Biological Sciences, Vol. 340 (1993), pp. 227-230.
Animal Behaviour, Vol. 42 (1991), pp. 501-503.
(1987), pp. 305-327.
Behaviour, Vol. 80 (1982), pp. 1-8.
(1977), pp. 253-259.
Journal of Theoretical Biology, Vol. 67 (1977), pp. 603-605.
Journal of Theoretical Biology, Vol. 53 (1975), pp. 205-214.
(1993), pp. 478-485.
Proceedings of the Royal Society of London: Biological Sciences, Vol. 262 (1995), pp. 283-288.
(1989)
(1994), pp. 157-189.
Vol. 2 (1983), pp. 156-189.
Adaptive Behavior, Vol. 3, No. 3. (1995), pp. 273-309.
(1992), pp. 659-687.
(1997), pp. 434-443.
(1961)
Ibis, Vol. 115, No. 4. (1973), pp. 517-534.
Animal Behaviour, Vol. 44 (1992), pp. 449-462.
Animal Behaviour, Vol. 41 (1991), pp. 375-382.
Science, Vol. 185 (1974), pp. 663-668.
(1967)
(2000), pp. 277-300.
Journal of Theoretical Biology, Vol. 162 (1993), pp. 309-319.
Journal of Theoretical Biology, Vol. 85 (1980), pp. 623-641.
The American Economic Review, Vol. 80, No. 1. (1990), pp. 234-248.
(1996)
(1990), pp. 271-311.
(1964), pp. 206-230.
(1997), pp. 464-473.
Journal of Mammalogy, Vol. 70, No. 2. (1989), pp. 308-315.