Daly J C, Wilkinson P, Shaw D D
Department of Population Biology, Research School of Biological Sciences, Australian National University, P.O. Box 475, Canberra City, A.C.T., 2601, Australia.
Evolution. 1981 Nov;35(6):1164-1179. doi: 10.1111/j.1558-5646.1981.tb04987.x.