1. Alatalo, R. V., Höglund, J., & Lundberg, A. (1991). Lekking in black grouse- a test of male viability. Nature, 352, 155–156.
2. Beehler, B. M., & Foster, M. S. (1988). Hotshots, hotspots and female preferences in the organization of lek mating systems. American Naturalist, 131, 203–219.
3. Borgia, G. (1979). Sexual selection and the evolution of mating systems. In M. S. Blum & N. A. Blum (Eds.), Sexual selection and the reproductive competition in insects (pp. 19–80). New York: Academic.
4. Bradbury, J. (1981). The evolution of leks. In R. D. Alexander & D. W. Tinkle (Eds.), Natural selection and social behavior (pp. 138–169). New York: Chiron Press.
5. Bradbury, J., Gibson, R. M., McCarthy, C. E., & Vehrencamp, S. L. (1989). Dispersion of displaying male sage grouse II. The role of female dispersion. Behavioral Ecology and Sociobiology, 24, 15–24.