TY - RPRT TI - Variability of geochemical properties in a microbially dominated coalbed gas system from the eastern margin of the Illinois Basin, USA AU - D. Strapoc AU - Maria Mastalerz AU - A. Schimmelmann AU - A. Drobniak AU - S. Hedges PY - 2008 DO - 10.1016/j.coal.2008.02.002 UR - https://pubs.usgs.gov/publication/70000025 ID - 70000025 ER -