@article{Werner2009,
  author    = {Petra Werner},
  title     = {Himmelsblau},
  series    = {Bemerkungen zum Thema „Farben" in Humboldts Alterswerk Kosmos ; Entwurf einer physischen Weltbeschreibung},
  volume    = {VII},
  number    = {12},
  pages     = {83 -- 95},
  year      = {2009},
}