Media type: E-Article Title: Cloud-basierte Messaging-Dienste Contributor: Kailer, Daniel; Mandl, Peter Published: Walter de Gruyter GmbH, 2012 Published in: PIK - Praxis der Informationsverarbeitung und Kommunikation, 35 (2012) 3 Language: Not determined DOI: 10.1515/pik-2012-0029 ISSN: 1865-8342; 0930-5157 Keywords: General Earth and Planetary Sciences ; General Environmental Science Origination: Footnote: