@article{FoersterSchaepersKruegeretal.2007,
  author    = {Arnold F{\"o}rster and T. Sch{\"a}pers and M. Kr{\"u}ger and J. Appenzeller},
  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 ...},
  journal   = {Applied physics letters. 66 (1995), H. 26},
  pages     = {3603 -- 3606},
  year      = {2007},
}