@article{FoersterOhlerKohleick1994,
  author    = {F{\"o}rster, Arnold and Ohler, C. and Kohleick, R.},
  title     = {Strain dependence of the valence-band offset in InAs/GaAs heterojunctions determined by ultraviolet photoelectron spectroscopy / C. Ohler ; R. Kohleick ; A. F{\"o}rster ...},
  series = {Physical Review B . 50 (1994), H. 11},
  journal   = {Physical Review B . 50 (1994), H. 11},
  isbn      = {0163-1829},
  pages     = {7833 -- 7837},
  year      = {1994},
  language  = {en}
}
@article{FoersterKohleickLueth1993,
  author    = {F{\"o}rster, Arnold and Kohleick, R. and L{\"u}th, H.},
  title     = {Ga segregation and the effect of Si and Ge interlayers at the GaAs(100)/AlAs heterostructure / R. Kohleick ; A. F{\"o}rster ; H. L{\"u}th},
  series = {Physical Review B . 48 (1993), H. 20},
  journal   = {Physical Review B . 48 (1993), H. 20},
  isbn      = {0163-1829},
  pages     = {15138 -- 15143},
  year      = {1993},
  language  = {en}
}