TY - RPRT TI - Strong-acid, carboxyl-group structures in fulvic acid from the Suwannee River, Georgia. 1. Minor structures AU - J.A. Leenheer AU - R.L. Wershaw AU - M.M. Reddy PY - 2002 DO - 10.1021/es00002a015 UR - https://pubs.usgs.gov/publication/70018756 ID - 70018756 ER -