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C. Röhrig and C. Kirsch, “Particle Filter-Based Sensor Fusion of Range Measurements from Wireless Sensor Networks and Laser Range Finders,” in Proceedings of the joint conference of ISR 2010 (41st International Symposium on Robotics) and ROBOTIK 2010 (6th German Conference on Robotics), Berlin: VDE-Verlag, 2010, pp. 268–275.