@book { KognitiveundemotionaleFunktionendesMenstruationszyklus,
    title = "Kognitive und emotionale Funktionen des Menstruationszyklus",
    author = "Rosemarie {Krug}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1088181"
}