The density at infinity of a discrete group of hyperbolic motions

Rufus Bowen, Hausdorff dimension of quasi circles,Publ. math. I.H.E.S.,50 (1979), pp. 11–26. C. Series andR. Bowen, Markov partitions for Fuchsian groups,Publ. math. I.H.E.S.,50 (1979), pp. 153–170. H. Federer,Geometric Measure Theory, Springer (1969), “Grundlehren... Series”, Band 153. S. J. Patterson, The limit set of a Fuchsian group,Acta. Math.,136 (1976), pp. 241–273. D. Sullivan, On the ergodic theory at infinity of an arbitrary discrete group of hyperbolic motions,Proceedings of the Stony Brook Conference on Kleinian groups and Riemann Surfaces, June 1978. B. Mandelbrot,Fractals, Form, Chance and Dimension, W. H. Freeman & Co., San Francisco, 1977. A. F. Beardon, The Hausdorff dimension of singular sets of properly discontinuous groups,Amer. J. Math.,88 (1966), pp. 722–736. E. Hopf, Ergodic Theory and the geodesic flow on surfaces of constant negative curvature,Bull. AMS,77 (1971), pp. 863–877. W. Thurston,Geometry and Topology of 3-manifolds, Notes from Princeton University, 1978. J. Garnett, Analytic Capacity and Measure,Springer Lecture Note Series, vol. 297. A. F. Beardon, B. Maskit, Limit points of Kleinian groups and finite sided fundamental polyhedra,Acta Math.,132 (1974), pp. 1–12.