References
- Lecture on Hyperbolic Geometry R. Benedetti;C. Petronio
- Graduate texts in Mathematics v.91 The Geometry of Discrete Groups A. F. Beardon
- de Gruyter Studies in Mathmatics v.5 Knots G. Burde;H. Zieschang;
- Revista Mat. Univ. Compl. Madrid v.1 Geometric orbifolds W. D. Dunbar
- de Gruyter Studies in Mathematics v.11 Elementary geometry in hyperbolic space W. Fenchel
- Comm. in Algebra v.23 Some homeyocmbs in hyperbolic 3-space H. Helling;A. C. Kim;J. L. Mennicke
- The Geometry and Topology of 3-manifolds W. Thurston