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2. Lubrication of Gear Teeth;Martin;Engineering, London,1916
3. Elastohydrodynamic Lubrication;Dowson,1977
4. Elastohydrodynamic Lubrication of Rollers;Crook;Nature,1961
5. Optical Measurement of Oil Film Thickness under Elasto-hydrodynamic Lubrication;Cameron;Nature,1963