A driver's steering aid for an agricultural implement, based on an electronic map and Real Time Kinematic DGPSVAN ZUYDAM, R. P.Computers and electronics in agriculture. 1999, Vol 24, Num 3, pp 153-163, issn 0168-1699Article

Test of an automatic precision guidance sytem for cultivation implementsVAN ZUYDAM, R. P; SONNEVELD, C.Journal of agricultural engineering research. 1994, Vol 59, Num 4, pp 239-243, issn 0021-8634Article

Centimetre-precision guidance of moving implements in the open field : a simulation based on GPS measurementsDIJKSTERHUIS, H. L; VAN WILLIGENBURG, L. G; VAN ZUYDAM, R. P et al.Computers and electronics in agriculture. 1998, Vol 20, Num 3, pp 185-197, issn 0168-1699Article