@book { MigrationandBorderSecurity,
    title = "Migration and Border Security",
    author = "Anna {Sroka} and Piotr {Potejko} and Rubén Dario {Torres Kumbrián}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b19249",
    url = "https://www.peterlang.com/document/1161808"
}