1. Monyem A. The effect of biodiesel oxidation on engine performance and emissions, PhD thesis, Iowa State University, 1998.
2. Hot water degummed rapeseed oil as a fuel for diesel engines;McDonnell;J Agric Eng Res,1995
3. Vegetable oil as a diesel fuel: status and research priorities;Peterson;Trans ASAE,1986
4. Ziejewski M, Kaufman KR. Vegetable oils as a potential alternate fuel in direct injection diesel engines. SAE paper no. 831357, 1983.
5. Hemmerlein N, Korte V, Richter H, Schroder G. Performance, exhaust emissions and durability of modern diesel engines running on rapeseed oil. SAE paper no. 910848, 1991.