@book { ClintonamKivuSee,
    title = "Clinton am Kivu-See",
    author = "Helmut {Strizek}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-00272-0",
    url = "https://www.peterlang.com/document/1044426"
}