Mutual Localization of Multiple Sensor Node Robots. - Keitaro Naruse; Shigekazu Fukui; Jie Luo (J. Adv. Comput. Intell. Intell. Informatics, 2011)

Swarm EKF localization for a multiple robot system with range-only measurements. - Shigekazu Fukui; Keitaro Naruse (SII, 2013)