@book { SurvivalStrategiesofEastGermanCompaniesinaCompetitiveMarketafterReunification,
    title = "Survival Strategies of East German Companies in a Competitive Market after Reunification",
    author = "Ilka {Wiedemann}",
    year = "2006",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/224712"
}