TY  - RPRT
TI  - Chemical structure of humic acids - Part 2, the molecular aggregation of some humic acid fractions in N, N-dimethylformamide
AU  - R.L. Wershaw
AU  - D.J. Pinckney
PY  - 1977
UR  - https://pubs.usgs.gov/publication/70163072
ID  - 70163072
ER  -