F. Martín, S. Garrido, D. Blanco, L. Moreno. Smooth Path Planning for non-holonomic robots using VFM. 5th IEEE InternationalConference on Mechatronics (ICM 2009). http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4957121. , ISBN: , pages: 1 - 6, . 2009-04-14, Málaga, Spain. 2009.