@book { GrenzenundMigrationAfrikaundEuropa,
    title = "Grenzen und Migration: Afrika und Europa",
    author = "Carlotta {von Maltzan} and Akila {Ahouli} and Marianne {Zappen-Thomson}",
    year = "2019",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/b11158",
    url = "https://www.peterlang.com/document/1055594"
}