@article{SchaeferShenOssauetal.1995,
  author    = {Sch{\"a}fer, Horst and Shen, J. and Ossau, W. and Landwehr, G. (u.a.)},
  title     = {Optically Detected Cyclotron Resonance (ODCR) in n- and p-type GaAs/AlGaAs Heterostructures},
  year      = {1995},
  language  = {en}
}
@article{SchaeferWorschechOssauetal.1997,
  author    = {Sch{\"a}fer, Horst and Worschech, L. and Ossau, W. and Fischer, C.},
  title     = {Characterization of structural defects in MBE grown ZnSe},
  series = {Materials Science and Engineering B. 43 (1997), H. 1-3},
  journal   = {Materials Science and Engineering B. 43 (1997), H. 1-3},
  isbn      = {0921-5107},
  pages     = {29 -- 32},
  year      = {1997},
  language  = {en}
}