TY - RPRT TI - Enhanced microbial coalbed methane generation: A review of research, commercial activity, and remaining challenges AU - Daniel J. Ritter AU - David S. Vinson AU - Elliott P. Barnhart AU - Denise M. Akob AU - Matthew W. Fields AU - Al B. Cunningham AU - William H. Orem AU - Jennifer C. McIntosh PY - 2015 DO - 10.1016/j.coal.2015.04.013 UR - https://pubs.usgs.gov/publication/70180313 ID - 70180313 ER -