1. The performance of agricultural tyres in soft soil conditions;Perdok;Soil and Tillage Research,1987
2. Beziehungen zwischen den Kenngrössen von Ackerschlepperreifen auf fester Fahrbahn;Sitkei;Grundlagen der Landtechnik,1969
3. Tractor-implement mechanics;Grečenko;Lectures at the Nat. College of Agric. Engng. Silsoe GB,1970
4. Radial and shear stress distribution under rigid wheels and pneumatic tires operating on yielding soils with consideration of tire deformation;Krick;J. Terramechanics,1969
5. Empirical equation for tire footprint area;Pillai;Rubber Chem. Tech.,1986