Jean-Pierre Dubois and Jihad S. Daba and M. Nader and C. El Ferkh, GSM Position Tracking using a Kalman Filter. journal = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology. August 2012, vol. 68(8). 867 - 876 [viewed 19 September 2024]. Available from: https://publications.waset.org/pdf/12100.