1. Henry Ford, Charles Kettering and the “Fuel of the Future”;Kovarik;Automot Hist Rev,1998
2. Historical perspectives on vegetable oil-based diesel fuels;Knothe;Inform,2001
3. The fuel possibilities of vegetable oils;Walton;Gas Oil Power,1938
4. Procédé de transformation d'huiles végétales en vue de leur utilisation comme carburants (Procedure for the transformation of vegetable oils for their uses as fuels);Chavanne,1937
5. Sur un mode d'utilization possible de l'huile de palme à la fabrication d'un carburant lourd (A method of possible utilization of palm oil for the manufacture of a heavy fuel);Chavanne;Bulletin des Sociétés Chimiques,1943