There is a lengthy webbed discussion of the hawk/dove game, complete with simulations, by Kenneth N. Prestwich, a faculty member in the biology department of the College of the Holy Cross, Worcester, MA. For printed discussions, see:
Maynard Smith, J. 1982. Evolution and the Theory of Games. Cambridge Univ. Press.
Maynard Smith, J. and G. R. Price. 1973. The logic of animal conflict. Nature 246: 16- 18.