1. A survey of 114 tractor sideways overturning accidents in the U.K.—1969 to 1971;Chisholm,1972
2. Experimental validation of a tractor overturning simulation;Chisholm;J. agric. Engng Res.,1979
3. The effect of parameter variation on tractor overturning and impact behaviour;Chisholm;J. agric. Engng Res.,1979
4. The kinematics and dynamics of wheel-type farm tractors;McKibben;Agric. Engng,1927
5. Evaluation of factors affecting the operating stability of wheeled tractors;Worthington;Agric. Engng,1949