@book { DernachehelicheUnterhaltdelegelataunddelegeferenda,
    title = "Der nacheheliche Unterhalt de lege lata und de lege ferenda",
    author = "Ioannis {Lymperidis}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1106605"
}