1. Reducing friction losses in automobile engines
2. R. C.
Rosenberg
, SAE Paper 821576, 1982
3. A.
Katoh
and Y.Yasuda, SAE Paper 940992, 1994
4. Chevron corporation
, Diesel Fuels Technical Review, 2007
5. M.
Le Pera
, The lubricity of fuels. Tribology & Lubrication Technology, February 2007