1. Natural gas policy act of 1978;Federal Energy Regulatory Commission,1978
2. The technology and economics of gas recovery from tight sands;Elkins,1978
3. Wyman R E. Gas recovery from tight sands. SPE 13940, 1985.
4. Geologic aspects of tight gas reservoirs in the Rocky Mountain region;Spencer;Journal of Petroleum Geology,1985
5. A new paradigm for gas exploration in anomalously pressured “tight gas sands” in the Rocky Mountain Laramide Basins;Surdam,1997