Thorsten PröhlKoray ErekFelix LimbachRüdiger ZarnekowTopics and Applied Theories in IT Service Management.1367-13752013HICSShttps://doi.org/10.1109/HICSS.2013.555https://doi.ieeecomputersociety.org/10.1109/HICSS.2013.555conf/hicss/2013db/conf/hicss/hicss2013.html#ProhlELZ13