@conference {137, title = {Vision-Guided Grasping of Unknown Objects for Service Robots}, booktitle = {Proc. IEEE Intl. Conf. on Robotics and Automation}, year = {1998}, month = {05/1998}, address = {Leuven, Belgium}, isbn = {0-7803-4758-7}, doi = {10.1109/ROBOT.1998.680889}, author = {P.J. Sanz and Angel P. del Pobil and J.M. I{\~n}esta and Gabriel Recatala} }