@book { AlexandervonHumboldtsMetaphysikderErde,
    title = "Alexander von Humboldts Metaphysik der Erde",
    author = "Hans-Otto {Dill}",
    year = "2013",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-03146-1",
    url = "https://www.peterlang.com/document/1046719"
}