N.  Eldredge, ?The sloshing bucket: how the physical realm controls evolution?, in Evolutionary dynamics - exploring the interplay of selection, accident, neutrality, and function, J. P.  Crutchfield and Schuster, P., Eds. Oxford: Oxford University  Press, 2003, pp. 3-32.

A.  Bergman, iv and Feldman, M. W., ?On the population genetics of punctuations?, in Evolutionary dynamics - exploring the interplay of selection, accident, neutrality, and function, J. P.  Crutchfield and Schuster, P., Eds. Oxford: Oxford University  Press, 2003, pp. 81-100.