1. R.L. Bivins, J.D. Louck, N. Metropolis, and M.L. Stein, Classification of all cycles of the parabolic map, Physics D51 (1991) 3–27.
2. R.L. Bivins, J.D. Louck, N. Metropolis, and M.L. Stein, Classification of all cycles of the parabolic map: The complete solution, in preparation.
3. K.M. Brucks, Dynamics of one-dimensional maps: Symbols, uniqueness, and dimension, Ph. D. Dissertation, North Texas State University Denton, Texas, USA, 1988.
4. P. Collet and J.-P. Eckmann, Iterated Maps on the Interval as Dynamical Systems, Birkhäuser, Boston, 1980.
5. B.-L. Hao, Chaos, World Scientific, Singapore, 1984.