@book { VerlasseneOrtederErwachsenenbildunginDeutschlandAbandonedPlacesofAdultEducationinCanada,
    title = "Verlassene Orte der Erwachsenenbildung in Deutschland / Abandoned Places of Adult Education in Canada",
    author = "Bernd {Käpplinger} and Maren {Elfert}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b14378",
    url = "https://www.peterlang.com/document/1110453"
}