TY  - RPRT
TI  - Low molecular weight species in humic and fulvic fractions
AU  - M. A. Wilson
AU  - P. J. Collin
AU  - Ronald L. Malcolm
AU  - E. Michael Perdue
AU  - P. Cresswell
PY  - 1988
DO  - 10.1016/0146-6380(88)90110-6
UR  - https://pubs.usgs.gov/publication/70014175
ID  - 70014175
ER  -