@phdthesis{ Ostheimer,
  author =           {Ostheimer, G.},
  title =            {Algorithms                                         for
                      Polycyclic\texttt{\symbol{45}}by\texttt{\symbol{45}}finite
                      groups},
  school =           {Rutgers University},
  year =             {1996},
  printedkey =       {Ost96}
}
@book{ Segal,
  author =           {Segal, D.},
  title =            {Polycyclic groups},
  publisher =        {Cambridge University Press},
  year =             {1983},
  printedkey =       {Seg83}
}
@book{ Sims,
  author =           {Sims, C. C.},
  title =            {Computation with finitely presented groups},
  publisher =        {Cambridge University Press},
  year =             {1994},
  printedkey =       {Sim94}
}
@mastersthesis{ Eick,
  author =           {Eick, B.},
  title =            {Algorithms for Polycyclic Groups},
  school =           {Gesamthochschule Kassel},
  year =             {2001},
  printedkey =       {Eic01},
  type =             {Habilitationsschrift}
}
@mastersthesis{ Assmann,
  author =           {Assmann, B.},
  title =            {Polycyclic presentations for matrix groups},
  school =           {TU Braunschweig},
  year =             {2003},
  note =             {\href
                      {http://www.icm.tu-bs.de/ag_algebra/software/assmann}
                      {\texttt{http://www.icm.tu\texttt{\symbol{45}}bs.de/}\discretionary
                      {}{}{}\texttt{ag{\textunderscore}algebra/}\discretionary
                      {}{}{}\texttt{software/}\discretionary
                      {}{}{}\texttt{assmann}}},
  printedkey =       {Ass03},
  type =             {Diplomarbeit}
}
@manual{ Polycyclic,
  author =           {Eick, B. and Nickel, W.},
  title =            {Polycyclic},
  year =             {2000},
  note =             {GAP package},
  printedkey =       {EN00}
}
@article{ AEi05,
  author =           {Assmann, B. and Eick, B.},
  title =            {Computing   polycyclic  presentations  for  polycyclic
                      rational matrix groups},
  journal =          {J. Symbolic Comput.},
  volume =           {40},
  number =           {6},
  year =             {2005},
  pages =            {1269\texttt{\symbol{45}}\texttt{\symbol{45}}1284},
  printedkey =       {AE05}
}