1. Utilisation des techniques robotiques en mecanisation forestiere;Bonicelli,1989
2. Leader cable guidance of an experimental field gantry;Tillet;J. agric. Engng Res.,1990
3. Development and evaluation of a tractor gear selection aid;Schrock,1985
4. Automatic wheel-slip control for tractors;Chancellor,1987
5. Memory wrap—Electronic twine wrap control for round balers;Strosser,1985