@book { SchlerheimerziehungundEntwicklung,
    title = "Schülerheimerziehung und Entwicklung",
    author = "Alexander {Thomas} and Edith G. {Vedanayagam}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1072546"
}