TY - RPRT TI - Chemical and carbon isotopic composition of dissolved organic carbon in a regional confined methanogenic aquifer AU - R. Aravena AU - L.I. Wassenaar AU - E.C. Spiker PY - 2004 DO - 10.1080/10256010410001671050 UR - https://pubs.usgs.gov/publication/70026617 ID - 70026617 ER -