1. Method for the production of caffeine-free coffee extract;Roselius,1974
2. Extraction of seed oils with liquid and supercritical carbon dioxide;Stahl;J. Agric. Food Chem.,1980
3. The supercritical gas extraction of lignites and wood;Olcay,1983
4. Extraction of coniferous woods with fluid carbon dioxide and other supercritical fluids;Fremont,1981
5. Supercritical Fluid Extraction;McHugh,1994