TY - RPRT TI - Solid-state 13C NMR studies of dissolved organic matter in pore waters from different depositional environments AU - William H. Orem AU - Patrick G. Hatcher PY - 1987 DO - 10.1016/0146-6380(87)90029-5 UR - https://pubs.usgs.gov/publication/70014185 ID - 70014185 ER -