Lasky, T.A., Hsia, T.C., Tummala, R L, Odrey, N.G. Robotics The Electrical Engineering Handbook Ed. Richard C. Dorf Boca raton crc Press llc. 2000Lasky, T.A., Hsia, T.C., Tummala, R.L., Odrey, N.G. “Robotics” The Electrical Engineering Handbook Ed. Richard C. Dorf Boca Raton: CRC Press LLC, 2000