@book { VerbalmorphologiederBoleTangaleSprachenNordostnigeria,
    title = "Verbalmorphologie der Bole-Tangale-Sprachen (Nordostnigeria)",
    author = "Ulrike {Zoch}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-04060-9",
    url = "https://www.peterlang.com/document/1048334"
}