@Incollection{baumgartner2009vorwort,
  author = {Baumgärtner, Ingrid},
  title  = {Vorwort zu: Kassel Lexikon, Band 1. A-K},

  year   = {2009},
  number = {},
  url    = {http://nbn-resolving.org/urn/resolver.pl?urn=urn:nbn:de:hebis:34-2011121640050},

  const  = {\ text}
}