1. M. Perrut, Supercritical fluids application: industrial developments and economic issues, in: A. Bertucco (Ed.), Proceedings of the Fifth Conference on Supercritical Fluids and Their Applications, 1999, p. 1.
2. Supercritical fluid extraction and fractionation of essential oils and related products;Reverchon;J. Supercrit. Fluids,1997
3. G. Brunner, M. Budich, T. Wesse, V. Leibkuchler, Optimization study for countercurrent gas extraction — the deterpenation of citrus oil with supercritical carbon dioxide, in: Proceedings of the Fourth Italian Conference on Supercritical Fluids and their Applications, September 7–10, Capri (Na) Italy, 1997, p. 27.
4. Fractionation of a peel oil key mixture by supercritical CO2 in a continuous tower;Reverchon;Ind. Eng. Chem. Res.,1997
5. F. Benvenuti, Separazione degli idrocarburi terpenici dall'olio essenziale di limone mediante estrazione con anidride carbonica supercritica, Ph.D. thesis, University of Roma, ‘La Sapienza’, 1999.