@book{Hanrath1988,
  author    = {Hanrath, Wilhelm},
  title     = {Irreduzible Darstellungen von Raumgruppen},
  address   = {Aachen},
  pages     = {250 S.},
  year      = {1988},
  language  = {de}
}
@article{HanrathPlesken1984,
  author    = {Hanrath, Wilhelm and Plesken, Wilhelm},
  title     = {The lattices of six-dimensional euclidean space},
  series = {Mathematics of computation. 43 (1984), H. 168},
  journal   = {Mathematics of computation. 43 (1984), H. 168},
  isbn      = {0025-5718},
  pages     = {573 -- 587},
  year      = {1984},
  language  = {en}
}