@book { 3BBodSchGGeltungSubsidiarittundAusschluss,
    title = "§ 3 BBodSchG – Geltung, Subsidiarität und Ausschluss",
    author = "Grit {Brinkmann}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1103690"
}