1. ASAE S318.6. Safety for Agricultural Equipment.
2. BIS 7898, 1981. Manually Operated Chaff Cutter-specification. Bureau of Indian Standards, New Delhi.
3. Farm injuries in children;DeMuri;Wisconsin Medical Journal,2000
4. Agricultural work-related fatalities in Australia, 1989–1992;Franklin;J. Agric. Safety Health,2001
5. Fatalities associated with farm tractor injuries;Goodman;Public Health Report,1985