@book { GriechenlandinderEuropischenWirtschaftsgemeinschaft,
    title = "Griechenland in der Europäischen Wirtschaftsgemeinschaft",
    author = "Gert {Ziegler}",
    year = "1962",
    publisher = "Biblion",
    address = ", Germany",
    doi = "10.3726/b12823",
    url = "https://www.peterlang.com/document/1067196"
}