@ARTICLE{Gross-KI-2000,
  author = {Gross, Horst-Michael and Boehme, Hans-Joachim and Key, Juergen and
    Wilhelm, Torsten},
  title = {The {PERSES} Project -- A Vision-Based Interactive Mobile Shopping
    Assistant},
  journal = {Kuenstliche Intelligenz (KI)},
  year = {2000},
  volume = {4},
  pages = {34--36}
}