1. P.E.J. Abbott, Get More Production from Your Hydrogen Plant, Synetix Technical Paper, 2000.
2. D. Gray, G. Tomlinson, Opportunities for Petroleum Coke Gasification under Tighter Sulfur Limits for Transportation Fuels, Paper presented at the 2000 Gasification Technologies Conference, San Francisco, California, USA, 8–10 October, 2000.
3. N. Patel, B. Baade, L.W. Fong, V. Khurana, Unlock the Value of Hydrogen in Your Refinery Streams, Paper presented at the ARTC 6th Annual Meeting, Singapore, 15–17 September, 2003.
4. K. Chlapik, B. Slemp, Alternative Lower Cost Feedstock for Hydrogen Production, 102nd NPRA Annual Meeting, San Antonio, Texas, USA, 21–23 March 2004, Paper AM-04-30.