1. Bruno, T.J. and J.F. Ely; Supercritical Fluid Technology: Reviews in Modern Theory and Applications, CRC Press Inc., Boca Raton, Florida, USA (1991)
2. Daud, M.J.; “Technical Innovation in the Utilization of Local Feed Resources for More Efficient Animal Production,” Proc. 17th MSAP Ann. Conf., 28-30 May, Penang, Malaysia (1995)
3. Friedrich, J.P.; “Supercritical CO2 Extraction of Lipids from Lipid-Containing Materials,” U.S. Patent No. 4, 466, 923 (1984)
4. Goh, E.M.; Specialty Fats from Palm and Palm Kernel Oils, in Selected Readings on Palm Oil and Its Uses, Palm Oil Research Institute of Malaysia (1993)
5. Kadir, M.O., N.N. Ab. Rahman and M.N. Hassan; “Process for a Simultaneous Extraction and Fractionation of Palm Kernel Oil Using Supercritical Carbon Dioxide as a Solvent,” Malaysian Patent Application PI9805730 (Patent Pending) (1998)