@book { NachWien,
    title = "Nach Wien!",
    author = "Norbert {Bachleitner} and Christine {Ivanovic}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-06102-4",
    url = "https://www.peterlang.com/document/1049658"
}