@misc{indiciaee8ca3a8bf760,
  title = {Spanish moss, a sensor for lead.},
  author = {J D Martinez and M Mathany and V Dharmarajan},
  year = {1971},
  doi = {10.1038/233564b0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4939986/},
  note = {Source identifier: 4939986}
}