@book { AppliedResearchMethodsMergersandacquisitionsMA,
    title = "Applied Research Methods - Mergers and acquisitions (M&A)",
    author = "Alexander {Berger}",
    year = "2011",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640956340",
    url = "https://www.hausarbeiten.de/document/174855"
}