@book { StrategicDecisionMakingACaseStudyReview,
    title = "Strategic Decision Making - A Case Study Review",
    author = "Andreas {Keller}",
    year = "2011",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656004554",
    url = "https://www.hausarbeiten.de/document/178452"
}