1. Introduction to Compact Transformation Groups;Bredon,1972
2. Groups generated by reflections and aspherical manifolds not covered by Euclidean spaces;Davis;Ann. of Math.,1983
3. Riemann Surfaces;Farkas,1980
4. Cohomological Topics in Group Theory;Gruenberg,1980
5. Some results on surfaces in 3-manifolds;Haken,1968