1. Supersonic gas conditioning;Okimoto;World Oil,2002
2. J.M. Brouwer, H.D. Epsom, Twister supersonic gas conditioning for unmanned platforms and subsea gas processing, in: Proc. of the Offshore Europe Conference, 2003, pp. 219–225.
3. V.I. Alferov, L.A. Baguirov, V. Feygin, A. Arbatov, S. Imaev, L. Dmitriev, V.I. Rezunenko, US Patent, 6372019, Apr 16, 2003.
4. M. Betting, T. Van Holten, J. Van Veen. US Patent, 6524368, Feb 25, 2003.
5. Supersonic nozzle efficiently separates natural gas components;Alferov;Oil & Gas Journal,2005