Sensor and Navigation System for a Mobile Robot. - Ger Honderd; Wim Jongkind; C. H. van Aalst (IAS, 1986)

Obstacle avoidance for a mobile robot. - P. van Turennout; E. L. van Egmond; Ger Honderd; Wim Jongkind (IROS, 1989)

Strategy and control of an autonomous cow-milking robot system. - Ger Honderd; Wim Jongkind; Cornelis Klomp; Joost Dessing; Richard Paliwoda (Robotics Auton. Syst., 1991)