1. Characterization of lignite for underground coal gasification in India;Akanksha;Energy Sour. A: Recover. Util. Environ. Eff.,2017
2. Coalbed gas systems, resources, and production and a review of contrasting cases from the San Juan and Powder River basins;Ayers;AAPG Bull.,2002
3. Classical Central Limit Theorems;Bhattacharya,2016
4. Numerical tabulation of the distribution of Kolmogorov’s statistic for finite sample size;Birnbaum;Publ. Am. Stat. Assoc.,1952
5. Free gas storage in matrix porosity: a potentially significant coalbed resource in low rank coals;Bustin,1999