1. Aydın K, Keskin A. Investigation of performance and emission of vegetable oil and alcohol mixture in a diesel engine. In: Proceedings of the Vth national combustion and air pollution symposium, Turkey, 2000, p. 49–58.
2. Biodiesel production: a review;Ma;Bioresour Technol,1999
3. Biodiesel production from oils and fats with high free fatty acids;Canakci;Trans ASAE,2001
4. Biomass for renewable energy, fuels, and chemicals;Klass,1998