1. Comparison of methods used to estimate conventional undiscovered petroleum resources: world examples;Ahlbrandt;Natural Resources Research,2005
2. Enhance the studies of natural gas geology and find more giant gas fields in China;Dai;Natural Gas Geoscience,2003
3. Methodology for quantifying gas generation from coal measures;Dai;Natural Gas Industry,1981
4. Natural Gas Geology of China—vol. 1;Dai,1992
5. Natural Gas Geology of China—vol. 2;Dai,1996