@book { DasTransfusionsgesetzvom1Juli1998,
    title = "Das Transfusionsgesetz vom 1. Juli 1998",
    author = "Stephan {Schreiber}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1091774"
}