1. Measurements of incidence of dust, noise and odour at workplaces in agriculture and ways of reducing it. Initial report;Batel;Grundlagen der Landtechnik,1975
2. Evaluation of the thermal environment in tractor cabs;Bohm,1990
3. The tractor driver's steering control task;Bottoms;Ergonomics,1982
4. Design guidelines for operator entry-exit systems on mobile equipment;Bottoms;Appl. Ergon.,1983
5. The tractor driver's steering performance and task difficulty concepts;Bottoms,1989