1. Yusuf All and M.A Hanna, “Alternative Diesel Fuels From Vegetable oils”, Bio-resource Technology.
2. A.K.Agarwal, and L.M.Das “Biodiesel Development characterization for use as fuel in CI engine”, Journal of the egg. for gas turbines and power ASME 123/441.
3. Gerhard Knothe, Robert O. Dunn and Marvin O. Bagby, The Use of vegetable oils and their Derivatives as Alternative Diesel Fuels, 2004.
4. AlIen .W.Gray and Thomas .W. Ryan “Homogeneous Charge Compression lgnition (HCCI) of Diesel Fuel” SAE Paper No.971676, pp. 1927-1935, 2002
5. Jan-Oia Oisson, Per Tunestai and Bengt Johansson,“Closed-Loop Control of an HCCI engine”, SAE paper no.2001-01-1031, 2001.