TY  - RPRT
TI  - Simultaneous determination of Ca, Cu, Ni, Zn and Cd binding strengths with fulvic acid fractions by Schubert's method
AU  - G.K. Brown
AU  - P. MacCarthy
AU  - J.A. Leenheer
PY  - 1999
DO  - 10.1016/s0003-2670(99)00530-9
UR  - https://pubs.usgs.gov/publication/70021402
ID  - 70021402
ER  -