V. Otsason, A. Varshavsky, A. LaMarca, and E. de Lara. UbiComp 2005: Ubiquitous Computing, volume 3660 of Lecture Notes in Computer Science, Springer Berlin / Heidelberg, 10.1007/11551201_9.(2005)
A. Papapostolou, and H. Chaouchi. NETWORKING 2009, volume 5550 of Lecture Notes in Computer Science, Springer Berlin / Heidelberg, 10.1007/978-3-642-01399-7_19.(2009)