@book { DieRisikoundLastenverteilungimMutterschutzrecht,
    title = "Die Risiko- und Lastenverteilung im Mutterschutzrecht",
    author = "Elke {Winkler}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093280"
}