@book { TransformationProcessesinEasternEurope,
    title = "Transformation Processes in Eastern Europe",
    subtitle = "Perspectives from the Modelling Laboratory",
    author = "Wolf-Dieter {Eberwein}",
    year = "1992",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1080809"
}