@book { NaturkundeimWochentakt,
    title = "Naturkunde im Wochentakt",
    author = "Tanja {van Hoorn} and Alexander {Košenina}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/978-3-0351-0753-1",
    url = "https://www.peterlang.com/document/1053119"
}