References

Four-ball E.P.

Proceedings of the 11^th International Colloquium on Industrial and Automotive Lubrication - Technische Akademie Esslingen, Germany
(January 1998)

• Bench Test Modeling of Anti-wear Properties of Hydraulic Fluids : A Proposal
  L.D. Wedeven, K. Ludeman, G.E Totten, Wedeven Associates, University of Michigan, Union Carbide Corp. (USA)
• Rolling Fluids Based on Vegetable Oils
  J.M. Herdan, ICERP S.A., Ploesti (Romania) 

Industrial Lubrication and Tribology, Volume 54 Number 6, 2002
New water soluble EP additive for environment friendly fluids
Fabrice Domingues Dos Santos and Francois Guillemet, ATOFINA, Energy Thiochemicals, Paris, France