1. Akin, E. (1979). The Geometry of Population Genetics. Lecture Notes in Biomathematics, Vo131. Springer, Berlin-Heidelberg-New York.
2. Akin, E. (1982). Cycling in simple genetic systems.J.Math.Biology 13: 305–324
3. Akin, E. (1983). Hopf bifurcation in the two locus genetic model. Memoirs AMS, Nr. 284, Providence, R.I., USA.
4. Crow, J.F., and Kimura, M. (1970). An Introduction to Population Genetics Theory. Harper & Row, New York.
5. Ewens, W.J. (1979). Mathematical Population Genetics. Biomathematics, Vol. 9. Springer, Berlin-Heidelberg-New York.