@book { DieSprachenderLiebeLangagesdelamour,
    title = "Die Sprachen der Liebe- Langages de l’amour",
    author = "Walter {Lenschen}",
    year = "2000",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1091120"
}