@incollection{Boecker2014,
  author    = {Jens B{\"o}cker},
  title     = {Strukturwandel im TK-Markt – Konsequenzen f{\"u}r Anbieter und Kunden},
  series = {Stanossek (Hg.): Dschungelf{\"u}hrer 2014},
  isbn      = {978-3-9815111-2-3},
  pages     = {51 -- 53},
  year      = {2014},
  language  = {de}
}