Agricultural tractor drive wheel tyres -- Explanation of rolling circumference index (RCI) and speed radius index (SRI) and method of measuring tyre rolling circumference— 12 стр.
BS ISO 7867-1. Metric series for agricultural, forestry machines and construction tyres. Part 1. Tyre designation, dimensions and marking, and tyre/rim coordination— 54 стр.
Agricultural tractor drive wheel tyres -- Explanation of rolling circumference index (RCI) and speed radius index (SRI) and method of measuring tyre rolling circumference— 12 стр.