1. Hydrogen and synthesis gas: technology, economics, and market outlook;Karp,1998
2. Upgrading heavy crude oils and residues to transportation fuels: technology, economics, and outlook;Biasca,1999
3. World gasification survey: industry trends and developments;Simbeck,2001
4. Moritis G. Special report: future of EOR and IOR—New companies, infrastructure, projects. Oil and Gas Journal 2001: 68–75.
5. Wichert E, Ryan T. Acid gas injection eliminates sulfur recovery expense. Oil and Gas Journal 1997: 67–72.