1. Sets of periods for piecewise monotone tree maps,;Ll. Alsedà;Internat. J. Bifur. Chaos Appl. Sci. Engrg.,2003
2. Periodic orbits of maps of $Y$,;Lluís Alsedà;Trans. Amer. Math. Soc.,1989
3. "Combinatorial Dynamics and Entropy in Dimension One,'';Lluís Alsedà;2nd edition,2000
4. Periodic points of continuous mappings of the circle,;Lluís Alsedà i Soler;Publ. Sec. Mat. Univ. Autònoma Barcelona,1981
5. Some limitations toward extending Šarkovskiĭ's theorem to connected linearly ordered spaces,;S. Baldwin;Houston J. Math.,1991