@book { MnnerinderLebensmitte,
    title = "Männer in der Lebensmitte",
    author = "Christiane {Fügemann} and Inés {von der Linde} and Wolf-Rüdiger {Minsel}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1105606"
}