1. Bates, H. W. Trans. Linn. Soc. Lond. 23, 495–566 (1862).
2. Wallace, A. R. Contributions to the Theory of Natural Selection (Macmillan, London, 1870).
3. Fisher, R. A. The Genetical Theory of Natural Selection. A Complete Variorum Edition (Oxford University Press, New York, 1999).
4. Waldbauer, G. P. Evol. Biol. 22, 227–259 (1988).
5. Maynard Smith, J. Evolutionary Genetics (Oxford University Press, Oxford, 1998).