1. , , and , ‘Behaviour of some vegetable oils in EHL contacts’, Elastohydrodynamics'96:Fundamentals and Applications in Lubrication and Traction, ed. et al., Elsevier, 1997, p. 243.
2. Effect of dissolved oxygen on lubricating performance of oils containing organic sulfides
3. and , The Friction and Lubrication of Solids, Clarendon Press, 1950, p. 200.