@misc{VlasenkoPieranskiHolzendorf2006,
  author    = {Vlasenko, V. and Pieranski, Wladyslaw and Holzendorf, Ulf},
  title     = {Niekatoryje aspekty modielirowanija processa obuczenija "menadziera znania"},
  year      = {2006},
  language  = {pl}
}
@misc{MeierVlasenkoPieranskietal.2005,
  author    = {Meier, Bernd and Vlasenko, V. and Pieranski, Wladyslaw and Holzendorf, Ulf},
  title     = {Niekatoryje informacjonyje aspekty modielirowanija procesow uprawlienija znaniami w systemach obrazowanija w ramkach bolonskowo procesija},
  year      = {2005},
  language  = {pl}
}
@misc{MeierMetteHolzendorf2018,
  author    = {Meier, Bernd and Mette, Dieter and Holzendorf, Ulf},
  title     = {Startklar! - Sekundarstufe I},
  editor    = {Holzendorf, Ulf},
  edition   = {differenzierende Ausgabe, 1. Auflage, 2. Druck},
  publisher = {Oldenburg-Schulbuchverlag},
  address   = {M{\"u}nchen},
  isbn      = {978-3-637-02245-4},
  pages     = {184},
  year      = {2018},
  language  = {de}
}
@article{MeierHolzendorfPieranski2004,
  author    = {Meier, Bernd and Holzendorf, Ulf and Pieranski, Wladyslaw},
  title     = {Strukturen soziotechnischer und sozio{\"o}konomischer Bildung an allgemeinbildenden Schulen},
  isbn      = {83-7395-116-4},
  year      = {2004},
  language  = {de}
}
@article{MeierHolzendorf2005,
  author    = {Meier, Bernd and Holzendorf, Ulf},
  title     = {Aber bitte mit Sahne ...},
  year      = {2005},
  language  = {de}
}
@article{MeierChudobaCzechetal.1994,
  author    = {Meier, Bernd and Chudoba, Charlotte and Czech, Olaf and Holzendorf, Ulf},
  title     = {Projekte im Fach Arbeitslehre, Teil 1},
  publisher = {P{\"a}dagogisches Landesinstitut Brandenburg},
  address   = {Ludwigsfelde},
  pages     = {53 S.},
  year      = {1994},
  language  = {de}
}
@article{HolzendorfZeissler1997,
  author    = {Holzendorf, Ulf and Zeißler, Fritz-Peter},
  title     = {Sch{\"u}lerinnen und Sch{\"u}ler bauen einfache Musikinstrumente, Teil 2},
  year      = {1997},
  language  = {de}
}
@article{HolzendorfZeissler1997,
  author    = {Holzendorf, Ulf and Zeißler, Fritz-Peter},
  title     = {Sch{\"u}lerinnen und Sch{\"u}ler bauen Musikinstrumente},
  year      = {1997},
  language  = {de}
}
@article{HolzendorfZeissler1997,
  author    = {Holzendorf, Ulf and Zeißler, Fritz-Peter},
  title     = {Rund um die Kartoffel},
  year      = {1997},
  language  = {de}
}
@article{HolzendorfZeissler1996,
  author    = {Holzendorf, Ulf and Zeißler, Fritz-Peter},
  title     = {Umwelterziehung : ein Bestandteil der Ausbildung von Lehramtsanw{\"a}rtern f{\"u}r die F{\"a}cher Arbeitslehre und Technik an der Universit{\"a}t Potsdam},
  year      = {1996},
  language  = {de}
}