1. Traction Prediction Equations for Bias Ply Tyres, ASAE, Paper No. 87–1622;Brixius,1987
2. Off-road traction prediction for wheeled vehicles;Wismer;Trans. ASAE (Am. Soc. Agric. Eng.),1973
3. Traction Potential of Bias-Ply Tyres Used in Agricultural Tractors;Tiwari,2006
4. A review on traction prediction equations;Tiwari;J. Terramechanics,2010
5. A program in Visual Basic for predicting haulage and field performance of 2WD tractors;Ranjeet;Comput. Electron. Agric.,2009