1. A mathematical model of tractor overturning and impact behaviour;Chisholm;J. agric. Engng Res.,1979
2. Computer simulation of tractor sideways overturning;Chisholm,1978
3. Experimental validation of a tractor overturning simulation;Chisholm;J. agric. Engng Res.,1979
4. Specification for requirements and testing of protective cabs and frames for agricultural wheel tractors,1973
5. Agricultural wheel tractors—protective cabs and frames—test method and acceptance conditions;ISO DIS 3463.3,1977