Köbler, F.; Koene, P.; Krcmar, H.; Altmann, M. & Leimeister, J. M.: LocaTag - An NFC-based system enhancing instant messaging tools with real-time user location. 2. International Workshop on Near Field Communication (NFC) 2010. Monaco, Monaco: 2010 (2)
[Volltext]

Köbler, F.; Koene, P.; Krcmar, H.; Altmann, M. & Leimeister, J. M.: LocaTag - An NFC-based system enhancing instant messaging tools with real-time user location. 2. International Workshop on Near Field Communication (NFC) 2010. Monaco, Monaco: 2010 (2)
[Volltext]