@book { ErziehungBildungBildungsinstitutionenEducationTrainingandtheirInstitutions,
    title = "Erziehung, Bildung, Bildungsinstitutionen – Education, Training and their Institutions",
    author = "Rudolf {Suntrup} and Jan R. {Veenstra} and Anne M. {Bollmann}",
    year = "2006",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1100797"
}