@article{FoersterSchaepersMueller1994,
  author    = {F{\"o}rster, Arnold and Sch{\"a}pers, T. and M{\"u}ller, F.},
  title     = {Control of ballistic electrons in (AlGa)As/GaAs heterostructures by means of superconducting niobium gate structures / T. Sch{\"a}pers ; F. M{\"u}ller ; A. F{\"o}rster ...},
  series = {Surface Science. 305 (1994), H. 1-3},
  journal   = {Surface Science. 305 (1994), H. 1-3},
  isbn      = {0039-6028},
  pages     = {460 -- 464},
  year      = {1994},
  language  = {en}
}