@article{Asche1998,
  author    = {Asche, Hartmut},
  title     = {Mapping and map use in the age of information technology},
  year      = {1998},
  language  = {en}
}
@article{HermannAsche1998,
  author    = {Hermann, Christian and Asche, Hartmut},
  title     = {Animierte thematische Karten zur Schweizer Bev{\"o}lkerungsstatistik},
  year      = {1998},
  language  = {de}
}