@book{SchmidtMohazzabRainer1995,
  author    = {Schmidt, Hans-J{\"u}rgen and Mohazzab, Masoud and Rainer, Martin},
  title     = {Deformations between Bianchi geometries in classical and quantum cosmology},
  series = {Report IPM},
  volume    = {1995, 91},
  journal   = {Report IPM},
  publisher = {IPM},
  address   = {Teheran},
  year      = {1995},
  language  = {en}
}
@book{KorramiMansouriMohazzab1996,
  author    = {Korrami, M. and Mansouri, R. and Mohazzab, Masoud},
  title     = {A decrumpling model of the universe},
  series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik},
  volume    = {1996, 09},
  journal   = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik},
  publisher = {Univ.},
  address   = {Potsdam},
  pages     = {6 Bl.},
  year      = {1996},
  language  = {en}
}