@book { StrategischeMarketingAnalyseininternationalenHandelsunternehmungen,
    title = "Strategische Marketing-Analyse in internationalen Handelsunternehmungen",
    author = "Holger {Schwesig}",
    year = "1998",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1086360"
}