1. The survivability and mobility of armoured fighting vehicles;Hetherington;J. Terramechanics,1986
2. Turnage GW, Performance of soils under track loads. Technical Report No M-71-5. US Army Waterways Experiment Station, Vicksburg, MS, USA; 1971
3. Feasibility of model study in earthworking equipment;Schuring;Trans. ASAE,1965
4. Littleton I, Some physical properties of sands used in mobility studies. Tech Note Mat No.14. RMCS. Shrivenham, UK; 1977