@book { RisikomanagementrohstoffexportierenderEntwicklungslnder,
    title = "Risikomanagement rohstoffexportierender Entwicklungsländer",
    author = "Evamaria {Wagner}",
    year = "1997",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b14103",
    url = "https://www.peterlang.com/document/1068630"
}