1. Simple periodic orbits of mappings of the interval;Block;Trans. Amer. Math. Soc.,1979
2. L. Block and W. Coppel, Stratification of Continuous Maps of an Interval, preprint.
3. Periodic points and topological entropy of one dimensional maps;Block;Lect. Notes Math.,1980
4. The bifurcation of periodic orbits of one-dimensional maps;Block;Ergodic Thy. and Dyn. Syst.,1982
5. L. Block and D. Hart, Stratification of the Space of Unimodal Interval Maps, preprint.