1. The viscosity of diesel oil and mixtures with straight vegetable oils: palm, cabbage palm, cotton, groundnut, copra and sunflower;Abollé;Biomass Bioenergy,2009
2. Agency for Toxic Substances and Disease Registry, 1995. Toxicological Profile for Fuel Oils, US. Department of Health and Human Services, Public Health Service, Atlanta.
3. Bergman, P.C.A., Van Paasen, S.V.B., Boerrigter, H., 2002. The novel “OLGA” technology for complete tar removal from biomass producer gas, in: Pyrolysis and Gasification of Biomass and Waste, Expert Meeting, Strasbourg, France.
4. Improving the low temperature properties of biodiesel fuel;Bhale;Renewable Energy,2009
5. An Encyclopedia of Chemicals, Drugs and Biologicals;Budavari,1996