@book { Chronobiologie,
    title = "Chronobiologie",
    author = "Brigitte {Ausfeld-Hafter}",
    year = "2010",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/978-3-0351-0131-7",
    url = "https://www.peterlang.com/document/1052289"
}