@book { EuropeCanada,
    title = "Europe – Canada",
    author = "Klaus-Dieter {Ertler} and Martin {Löschnigg} and Yvonne {Völkl}",
    year = "2013",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-03660-2",
    url = "https://www.peterlang.com/document/1046557"
}