@misc{indiciaea567ae5069a1,
  title = {Molecular weight of aquatic fulvic acids by vapor pressure osmometry},
  author = {G. R. Aiken and Ronald L. Malcolm},
  year = {1987},
  doi = {10.1016/0016-7037(87)90267-5},
  url = {https://pubs.usgs.gov/publication/70014182},
  note = {Source identifier: 70014182}
}