D. Goel, E. Kher, S. Joag, V. Mujumdar, M. Griss, and A. Dey. Mobile Computing, Applications, and Services, volume 35 of Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, Springer Berlin Heidelberg, 10.1007/978-3-642-12607-9_3.(2010)