1. Morse theory and finiteness properties of groups;Bestvina, Mladen;Invent. Math.,1997
2. [2] Bieri, Robert Homological dimension of discrete groups, Queen Mary College Mathematics Notes, Queen Mary College, 1976
3. Homotopical height;Biswas, Indranil;Int. J. Math.,2014
4. Branched coverings of cubical complexes and subgroups of hyperbolic groups;Brady, Noel;J. Lond. Math. Soc.,1999
5. The subgroups of direct products of surface groups;Bridson, Martin R.;Geom. Dedicata,2002