@book { PosttransformationalMigration,
    title = "(Post)transformational Migration",
    author = "Marek {Nowak} and Michal {Nowosielski}",
    year = "2011",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-00651-3",
    url = "https://www.peterlang.com/document/1045734"
}