1. Caceres, N., Wideberg, J.P., Benitez, F.G.: Deriving origin-destination data from a mobile phone network. IET Intelligent Transport Systems 1, 15–26 (2007)
2. Celiński, I., Sierpiński, G.: The Study of Modal Distribution of the Travel Based on Mobile Phone Networks Data. In: IIIrd International Scientific Conference Transport Problems. Katowice - Tarnowskie Góry (June 20-22, 2011); International Scientific Journal Transport Problems (in press)
3. Fontaine, M.D., Yakkala, A.P., Smith, B.L.: Probe Sampling Strategies for Traffic Monitoring Systems Based on Wireless Location Technology. Final Contract Report FHWA/VTRC 07-CR12
4. Gómez-Torres, N.R., Valdés-Díaz, D.M.: GPS Capable Mobile Phones to Gather Traffic Data. In: Ninth LACCEI Latin American and Caribbean Conference (LACCEI 2011), Engineering for a Smart Planet, Innovation, Information Technology and Computational Tools for Sustainable Development, Medellín, Colombia, August 3-5 (2011)
5. Green Paper. Towards a new culture for urban mobility. COM, 551 (2007)