TY - RPRT TI - Biogenic coal-to-methane conversion efficiency decreases after repeated organic amendment AU - Katherine J. Davis AU - Elliott P. Barnhart AU - Matthew W. Fields AU - Robin Gerlach PY - 2018 DO - 10.1021/acs.energyfuels.7b03426 UR - https://pubs.usgs.gov/publication/70195970 ID - 70195970 ER -