@misc{indiciaede99d2669dfa,
  title = {Interactions between variable-charge soils and acidic solutions containing fluoride: an investigation using repetitive extractions.},
  author = {Mao-Xu Zhu and Xin Jiang and Guo-Liang Ji},
  year = {2004},
  doi = {10.1016/j.jcis.2004.03.033},
  url = {https://pubmed.ncbi.nlm.nih.gov/15219444/},
  note = {Source identifier: 15219444}
}