1. Conformal Invariants: Topics in Geometric Function Theory;Ahlfors,1973
2. Length functions of group actions on Λ-trees;Alperin,1987
3. Projective Structures on Riemann Surfaces and Developing Maps to H3 and CPn;Anderson,1998
4. Degenerations of the hyperbolic space;Bestvina;Duke Math. J.,1988
5. Periodic billiard orbits are dense in rational polygons;Boshernitzan;Trans. Amer. Math. Soc.,1998