TY  - RPRT
TI  - Isolation and chemical characterization of dissolved and colloidal organic matter
AU  - G. Aiken
AU  - J. Leenheer
PY  - 2006
DO  - 10.1080/02757549308035305
UR  - https://pubs.usgs.gov/publication/70017896
ID  - 70017896
ER  -