@book { ErnstCassirerTheSwedishYears,
    title = "Ernst Cassirer: The Swedish Years",
    author = "Jonas {Hansson} and Svante {Nordin}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1100554"
}