TY  - RPRT
TI  - Structural characteristics of fulvic acids from Continental Shelf sediments
AU  - Patrick G. Hatcher
AU  - Irving A. Breger
AU  - M.A. Mattingly
PY  - 1980
DO  - 10.1038/285560a0
UR  - https://pubs.usgs.gov/publication/70012082
ID  - 70012082
ER  -