@book { DieEuropischeInvestitionsbank, title = "Die Europäische Investitionsbank", author = "Katharina {Kramer}", year = "2015", publisher = "Peter Lang Verlag", address = "Berlin, Germany", doi = "10.3726/978-3-653-06081-2", url = "https://www.peterlang.com/document/1049912" }