TY - RPRT TI - Cu(II) binding by a pH-fractionated fulvic acid AU - G.K. Brown AU - S.E. Cabaniss AU - P. MacCarthy AU - J.A. Leenheer PY - 1999 DO - 10.1016/s0003-2670(99)00521-8 UR - https://pubs.usgs.gov/publication/70021403 ID - 70021403 ER -