@book { NokiaStrategicAnalysisEvaluationofthedecisiontoreturntothemobiletelephonemarket,
    title = "Nokia Strategic Analysis. Evaluation of the decision to return to the mobile telephone market",
    author = "",
    year = "2017",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/366907"
}