TY - RPRT TI - 15N and13C NMR investigation of hydroxylamine-derivatized humic substances AU - K. A. Thorn AU - J.B. Arterburn AU - M.A. Mikita PY - 2002 DO - 10.1021/es00025a011 UR - https://pubs.usgs.gov/publication/70016905 ID - 70016905 ER -