@misc{indiciaea6ef6a687546,
  title = {New structural information on a humic acid from two-dimensional 1H-13C correlation solid-state nuclear magnetic resonance.},
  author = {J D Mao and B Xing and K Schmidt-Rohr},
  year = {2001},
  doi = {10.1021/es0014988},
  url = {https://pubmed.ncbi.nlm.nih.gov/11393970/},
  note = {Source identifier: 11393970}
}