1. Lecture Notes on Nilpotent Groups;Baumslag,1971
2. Expanding endomorphisms of flat manifolds;Epstein;Topology,1968
3. Crystallographic groups and their mathematics;Farkas;Rocky Mountain J. Math.,1981
4. Anosov diffeomorphisms;Franks,1970
5. Nilpotent Lie Groups;Goodman,1976