'I apologize to Giorgio Chiellini and the entire football family.' / Zur Rolle Sozialer Medien in der Krisenkommunikation - dargestellt an Beispielen im Kontext der Fußball-WM 2014 in Brasilien 'I apologize to Giorgio Chiellini and the entire football family.' / A discussion of the role of social media in crisis communication based on examples from the 2014 World Cup in Brazil - Burk, Verena; Grimmer, Christoph G (Sport und Gesellschaft, 2016)