1. Transesterification Kinetics of Soybean Oil;Freedman;J. Am. Oil Chem. Soc.,1986
2. Variables Affecting the Yield of Fatty Esters from Transesterified Vegetable Oils;Freedman;Ibid.,1984
3. A Low-Waste Process for the Production of Biodiesel;Ahn;Sep. Sci. Tech.,1995
4. Tanaka , Y. A. Okabe S. Ando Method for the Preparation of a Lower Alkyl Ester or Fatty Acid 1981