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

Wall-following control of a mobile robot. - P. van Turennout; Ger Honderd; L. J. van Schelven (ICRA, 1992)

Following A Wall With A Mobile Robot Using Ultrasonic Sensors. - P. van Turennout; Ger Honderd (IROS, 1992)