1. 1) See, for example, Taylor, R. I., Coy, R. C., Proc. Inst. Mech. Eng. Part J, 214, 1 (2000).
2. 2) Brown, M., Fotheringham, J. D., Hoyes, T. J., Mortier, R. M., Orszulik, S. T., Randles, S. J., Stroud, P. M., “Chemistry and Technology of Lubricants,” eds. by Mortier, R. M., Orszulik, S. T., Blackie A and P, London (1997).
3. 3) Morse, P. M., Chem. Eng. News, 7th September, 1998.
4. 4) Como, D. J., Lubricants World, 1999, October, 16.
5. 5) See, for example, Bakunin, V. N., Parenago, O. P., J. Synth. Lubr., 9, 3073 (1992).