TY - CONF T1 - A Proposal for a Navigation System for Autonomous Wheelchairs T2 - Mechatronics & Robotics 2004 (MECHROB'04) Y1 - 2004 A1 - Garcia, Juan Carlos A1 - Marta Marron A1 - UreƱa, J. JF - Mechatronics & Robotics 2004 (MECHROB'04) CY - Aachen, Alemania VL - 2 SN - 3-938153-50-X ER -