Qualitative Autonomous Navigation for Wheelchair Robots. - Nikitas M. Sgouros; Panayotis Tsanakas; George K. Papakonstantinou; Nikos I. Katevas (ECAI, 1996)

The active kinematic histogram method for path planning of non-point, non-holonomically constrainted mobile robots. - Nikos I. Katevas; Spyros G. Tzafestas (Adv. Robotics, 1997)

The autonomous mobile robot SENARIO: a sensor aided intelligent navigation system for powered wheelchairs. - Nikos I. Katevas; Nikitas M. Sgouros; Spyros G. Tzafestas; George K. Papakonstantinou; Paul D. Beattie; John Mark Bishop; Panayotis Tsanakas; Dimitrios Dionisios Koutsouris (IEEE Robotics Autom. Mag., 1997)

The Approximate Cell Decomposition with Local Node Refinement Global Path Planning Method: Path Nodes Refinement and Curve Parametric Interpolation. - Nikos I. Katevas; Spyros G. Tzafestas; Christos G. Pnevmatikatos (J. Intell. Robotic Syst., 1998)