F. Montagut, R. Molva, und S. Tecumseh Golega. Systems, Man, and Cybernetics, Part C: Applications and Reviews, IEEE Transactions on, 38, Seite 319 -333. (Mai 2008)
C. Campo, M. Munoz, J. Perea, A. Mann, und C. Garcia-Rubio. Pervasive Computing and Communications Workshops, 2005. PerCom 2005 Workshops. Third IEEE International Conference on, Seite 178 - 182. (2005)
M. Strimpakou, I. Roussaki, und M. Anagnostou. Advanced Information Networking and Applications, 2006. AINA 2006. 20th International Conference on, Seite 5 pp.. (2006)