1. J.T. Bartis, T. LaTourrette, L. Dixon, C.G. Peterson, D.J., Oil Shale Development in the United States, Prospects and Policy Issues, RAND, Infrastructure, Safety and Environment, 2005.
2. P.S. Sarathi, In-Situ Combustion Handbook, Principles and Practices, U.S. Department of Energy, Oklahoma Tulsa, 1999.
3. J. Qian, J. Wang, World Oil Shale Retorting Technologies, International Conference on Oil Shale: Recent Trends In Oil Shale, 2006.
4. Studies of the effect of retorting factors on the yield of shale oil for a new comprehensive utilization technology of oil shale
5. Paraho Oil Shale Project;Pforzheimer,1976