@book { CentersofExcellence,
    title = "Centers of Excellence",
    subtitle = "Darstellung und Ergebnisse eines internationalen Forschungsprojektes",
    author = "Andreas {Schurig}",
    year = "2002",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093595"
}