@article{FoersterAppenzellerSchroer1996,
  author    = {F{\"o}rster, Arnold and Appenzeller, J. and Schroer, C.},
  title     = {Electron interference in a T-shaped quantum transistor based on Schottky-gate technology / J. Appenzeller ; Ch. Schroer ; Th. Sch{\"a}pers ... A. F{\"o}rster ...},
  series = {Physical review / B, Condensed matter and materials physics. 53 (1996), H. 15},
  journal   = {Physical review / B, Condensed matter and materials physics. 53 (1996), H. 15},
  isbn      = {1095-3795},
  pages     = {9959 -- 9963},
  year      = {1996},
  language  = {en}
}
@article{FoersterSchaepersKruegeretal.1995,
  author    = {F{\"o}rster, Arnold and Sch{\"a}pers, T. and Kr{\"u}ger, M. and Appenzeller, J.},
  title     = {Effect of electron-electron interaction on hot ballistic electron beams / Th. Sch{\"a}pers ; M. Kr{\"u}ger ; J. Appenzeller ; A. F{\"o}rster ...},
  series = {Applied physics letters. 66 (1995), H. 26},
  journal   = {Applied physics letters. 66 (1995), H. 26},
  isbn      = {0003-6951},
  pages     = {3603 -- 3606},
  year      = {1995},
  language  = {en}
}