@book { TransnationaleKooperationDerOstseeratunddieSubraumpolitikderEuropischenUnion,
    title = "Transnationale Kooperation: Der Ostseerat und die Subraumpolitik der Europäischen Union",
    author = "Martin {Schwarz}",
    year = "2011",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1107577"
}