@book { BlueOceanShift,
    title = "Blue Ocean Shift",
    author = "W. Chan {Kim} and Renée {Mauborgne} and Luitgard {Köster}",
    year = "2018",
    publisher = "Vahlen",
    address = "München, Deutschland",
    url = "https://vahlen.openpublishing.com/document/1220438"
}