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