1. Compositional Analysis of Heavy Petroleum Fractions;Altgelt,1994
2. Upgrading Petroleum Residues and Heavy Oils;Gray,1994
3. The Chemistry and Technology of Petroleum;Speight,1999
4. The Desulfurization of Heavy Oils and Residua;Speight,2000
5. Petroleum Refining: Technology and Economics;Gary,2001