1. Development of an electric, battery powered, skid-steer loader;Alcock,1985
2. Standards 1990;ASAE,1990
3. Mechanical FWD tractor performance;Babacz,1986
4. Power losses due to slip and motion resistance;Bashford,1984
5. Front-wheel assist: Does it pay off?;Bashford;Agric. Eng.,1985