@article{SchraderSchuermannDruskaetal.1997,
  author    = {Schrader, Sigurd and Sch{\"u}rmann, H. and Druska, P. and Teppner, Randolf and Prescher, Dietrich},
  title     = {Ultraviolet photoelectron spectroscopy of conjugated organic model compounds},
  year      = {1997},
  language  = {en}
}
@article{SchuermannKochVollmeretal.2000,
  author    = {Sch{\"u}rmann, H. and Koch, Norbert and Vollmer, A. and Schrader, Sigurd and Neumann, M.},
  title     = {Angle resolved ultraviolet photoelectron spectroscopy of oriented sexiphenyl layers},
  year      = {2000},
  language  = {en}
}
@article{SchraderSchuermannKochetal.1999,
  author    = {Schrader, Sigurd and Sch{\"u}rmann, H. and Koch, Norbert and Prescher, Dietrich},
  title     = {Electronic structure of new donor acceptor substituted chromophores},
  year      = {1999},
  language  = {en}
}
@article{SchuermannKochVollmeretal.1999,
  author    = {Sch{\"u}rmann, H. and Koch, Norbert and Vollmer, A. and Schrader, Sigurd and Neumann, M.},
  title     = {Angle resolved ultraviolet photoelectron spectroscopy (ARUPS) of oriented sexiphenyl layers},
  year      = {1999},
  language  = {en}
}
@article{SchuermannKochImperiaetal.1999,
  author    = {Sch{\"u}rmann, H. and Koch, Norbert and Imperia, Paolo and Schrader, Sigurd and Jandke, M. and Strohriegl, P. and Schulz, Burkhard and Leising, G. and Brehmer, Ludwig},
  title     = {Ultraviolet photoelectron spectroscopic study of heterocyclic model compounds for electroluminescent devices},
  year      = {1999},
  language  = {en}
}