TY - RPRT TI - Microbial methane from in situ biodegradation of coal and shale: A review and reevaluation of hydrogen and carbon isotope signatures AU - David S. Vinson AU - Neal E. Blair AU - Anna M. Martini AU - Steve Larter AU - William H. Orem AU - Jennifer C. McIntosh PY - 2017 DO - 10.1016/j.chemgeo.2017.01.027 UR - https://pubs.usgs.gov/publication/70188346 ID - 70188346 ER -