TY - RPRT TI - A hydrogen-based subsurface microbial community dominated by methanogens AU - F. H. Chapelle AU - Kyle O'Neil AU - P. M. Bradley AU - B.A. Methe AU - S.A. Ciufo AU - L.L. Knobel AU - Derek R. Lovley PY - 2002 DO - 10.1038/415312a UR - https://pubs.usgs.gov/publication/70024998 ID - 70024998 ER -