1. Exploiting unconventional heavy oils;Plotkin,2007
2. Transportation of heavy and extra-heavy crude oil by pipeline: a review;Martínez-Palou;Journal of Petroleum Science and Engineering,2001
3. A review of recent advances on process technologies for upgrading of heavy oils and residua;Rana;Fuel,2007
4. Le Page, J., Chatila, S. and Davidson, M. Residue and heavy oil processing. Editions. Technip, Paris, 1992
5. Upgrading Petroleum Residues and Heavy Oils;Gray,1994