1. Ayala, F. J., and Campbell, C. A., 1974, Frequency-dependent selection, Annu. Rev. Ecol. Syst. 5: 115–138.
2. Baburina, E. A., Nogatyrev, and Protosov, V. R., 1968, A study of age related changes in the visual acuity of some fish, Zool. Zh. 47: 1364–1369.
3. Baerends, G. P., Brower, R., and Waterbolk, H. T., 1955, Ethological studies on Lebistes reticulatus (Peters). I. An analysis of the male courtship patterns, Behaviour
8: 249–334.
4. Barlow, G. W., 1976, The midas cichlid in Nicaragua, in: Investigations of the Ichthyofauna of Nicaraguan Lakes, ( T. B. Thorson, ed.), pp. 332–358, University of Nebraska Press, Lincoln.
5. Barlow, G. W., and Ballin, P., 1976, Predicting and assessing dominance for size and coloration in the polychromatic midas cichlid, Anim. Behay. 24: 793–813.