@misc{indiciaef6a972e32020,
  title = {Vapor-pressure osmometric study of the molecular weight and aggregation tendency of a reference-soil fulvic acid},
  author = {J.A. Marinsky and M.M. Reddy},
  year = {1990},
  doi = {10.1016/s0003-2670(00)81228-3},
  url = {https://pubs.usgs.gov/publication/70016129},
  note = {Source identifier: 70016129}
}