@book { StrukturwandelinWirtschaftundGesellschaftSdosteuropas,
    title = "Strukturwandel in Wirtschaft und Gesellschaft Südosteuropas",
    author = "Theodor {Zotschew}",
    year = "1972",
    publisher = "Biblion",
    address = ", Germany",
    doi = "10.3726/b12779",
    url = "https://www.peterlang.com/document/1067163"
}