@article{Koob2009,
  author    = {Koob, Dirk},
  title     = {Kann man "professionell" authentisch sein? Eine Einladung zur Diskussion},
  series = {Erwachsenenbildung. Vierteljahreszeitschrift f{\"u}r Theorie und Praxis},
  journal   = {Erwachsenenbildung. Vierteljahreszeitschrift f{\"u}r Theorie und Praxis},
  number    = {2},
  pages     = {93 -- 97},
  year      = {2009},
  language  = {mul}
}
@article{Koob2009,
  author    = {Koob, Dirk},
  title     = {Teachers` Authenticity in Adult and Continuing Education. An existentialist approach to professionality},
  series = {Journal of Educational Sciences},
  volume    = {11},
  journal   = {Journal of Educational Sciences},
  number    = {2},
  year      = {2009},
  language  = {en}
}
@article{KoobRadtke2009,
  author    = {Koob, Dirk and Radtke, Miriam},
  title     = {Gesetzlicher Mindestlohn in der Weiterbildung?},
  series = {DIE Texte-Online (online unter: http://www.die-bonn.de/doks/koob0903.pdf )},
  journal   = {DIE Texte-Online (online unter: http://www.die-bonn.de/doks/koob0903.pdf )},
  year      = {2009},
  language  = {de}
}