TY - RPRT TI - Effect of organic-matter type and thermal maturity on methane adsorption in shale-gas systems AU - Tongwei Zhang AU - Geoffrey S. Ellis AU - Stephen C. Ruppel AU - Kitty Milliken AU - Rongsheng Yang PY - 2012 DO - 10.1016/j.orggeochem.2012.03.012 UR - https://pubs.usgs.gov/publication/70112478 ID - 70112478 ER -