@book { Abstammungsrecht20,
    title = "Abstammungsrecht 2.0",
    author = "Marc Alexander {Voigt}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-05796-6",
    url = "https://www.peterlang.com/document/1049397"
}