1. Braids, Links and Mapping Class Groups;Birman,1974
2. Isotopies of homeomorphisms of Riemann surfaces;Birman;Ann. of Math.,1973
3. Riemann Surfaces;Farkas,1980
4. Generators for the mapping class group;Humphries,1979
5. A finite set of generators for the homeotopy group of a 2-manifold;Lickorish,1964