N.  Eldredge, Thompson, J. D., Brakefield, P. M., Gavrilets, S., Jablonski, D., Jackson, J. B. C., Lenski, R. E., Lieberman, B. S., McPeek, M. A., and Miller, III, W., ?The dynamics of evolutionary stasis?, Paleobiology, vol. 31, pp. 133-145, 2005.