1. Chew, K. (2003) in “Fundamentals of Gas to Liquids”, Petroleum Economist, p. 11.
2. Rostrup-Nielsen, J.R., Sehested, J., and Nørskov, J.K. (2002), Adv.Catal., 47, 65.
3. Fleisch, T., Sills, R., Briscoe, M., and Freide, J.F. (2003) in “Fundamentals of Gas to Liquids”, Petroleum Economist, p. 39.
4. Topsøe, N.-Y (1997), Cattech 1, 125.
5. DallaBetta, R., and Rostrup-Nielsen, T., (1999), Catal.Today 47, 369.