1. Homological dimensions of discrete groups;Bieri;Queen Mary College Math. Notes,1976
2. Relative homology and poincaré duality for groups pairs;Bieri;J. Pure Appl. Algebra,1978
3. B.H. Bowditch, Planar groups and the seifert conjecture, Preprint, 1999
4. F. Castel, Centralisateurs et commensurateurs dans une pd(3) paire, 2003, en préparation
5. The cohomology of a coxeter group with group rings coefficients;Davis;Duke Math. J.,1998