Köbler, F., Koene, P., Krcmar, H., Altmann, M. and Leimeister, J. M.. "LocaTag - An NFC-based system enhancing instant messaging tools with real-time user location." Paper presented at the meeting of the 2. International Workshop on Near Field Communication (NFC) 2010, Monaco, Monaco, 2010.

Köbler, F., Koene, P., Krcmar, H., Altmann, M. and Leimeister, J. M.. "LocaTag - An NFC-based system enhancing instant messaging tools with real-time user location." Paper presented at the meeting of the 2. International Workshop on Near Field Communication (NFC) 2010, Monaco, Monaco, 2010.