@book { KommunikationsarbeitinderHotelleriePublicRelationsinKrisensituationen, title = "Kommunikationsarbeit in der Hotellerie - Public Relations in Krisensituationen", author = "Alexandra {Schiel}", year = "2007", publisher = "Diplom.de", address = "Hamburg, Deutschland", doi = "10.3239/9783836602143", url = "https://m.diplom.de/document/228801" }