Chiara Renso Simone Puntoni Elias Frentzos Andrea Mazzoni Bart Moelans Nikos Pelekis Fabrizio Pini Wireless Network Data Sources: Tracking and Synthesizing Trajectories. 73-100 2008 Mobility, Data Mining and Privacy http://dx.doi.org/10.1007/978-3-540-75177-9_4 series/springer/2008mdmp db/series/springer/mdmp2008.html#RensoPFMMPP08