1. A. Stenz, J. Bares, S. Singh, and P. Rowe, “A robotic excavator for autonomous truck loading,” Proc. of the IEEE/RSJ Int. Conf. on Intelligent Robots and Systems, vol. 3, pp. 1885–1893, October 1998.
2. J. Gutiérrez, J. L. Gordillo, and I. López, “Configuration and construction of an autonomous vehicle for a mining task,” Proc. of IEEE Int. Conf. on Robotics and Automation, pp. 2010–2016, April 2004.
3. H. Frohn and W. V. von Seelen, “VISOCAR: An autonomous industrial transport vehicle guided by visual navigation,” Proc. of IEEE Int. Conf. on Robotics and Automation, vol. 2, pp. 1155–1159, May 1989.
4. R. K. Miller, D. G. Stewart, W. H. Brockman, and S. B. Skaar, “A camera space control system for an automated forklift,” IEEE Trans. on Robotics and Automation, vol. 10, no. 5, pp. 710–716, October 1994.
5. G. Garibotto, S. Masciangelo, M. Ilic, and P. Bassino, “ROBOLIFT: A vision guided autonomous fork-lift for pallet handling,” Proc. of IEEE/RSJ Int. Conf. on Robots and Systems, pp. 656–663, November 1996.