B. Brandherm, J. Haupert, A. Kröner, M. Schmitz, и F. Lehmann. PerCom 2010 Workshops: Proceedings of the 8th Annual IEEE International Conference on Pervasive Computing and Communications Workshops, Mannheim, Germany, стр. 768-771. (2010)
T. Fujita, K. Masaki, F. Suzuki, and K. Maenaka. CME 2007: IEEE/ICME International Conference on Complex Medical Engineering, Beijing, China, page 416-420. (2007)