1. “The exploitation and utilization of coal-bed methane in Jincheng”;Zhao;Energy Technol. Manage.,2011
2. “Water issues associated with coal-bed methane (natural gas) in the Powder River Basin of Wyoming and Montana”;King;Reclamation Matters,2004
3. “Coal-bed methane co-produced water: management options”, Reflections;Vance;June,2004
4. “Soil chemical changes resulting from irrigation with water co-produced with coal-bed natural gas”;Ganjegunte;J. Envi. Quali.,2005
5. “Reduction in coal-bed methane (CBM) water sodicity using zeolites”;Vance,2007