@misc{indiciae8adffd12ec0a,
  title = {Trace element determinations using a 15-keV synchrotron X-ray microprobe.},
  author = {F van Langevelde and R D Vis},
  year = {1991},
  doi = {10.1021/ac00020a011},
  url = {https://pubmed.ncbi.nlm.nih.gov/1759709/},
  note = {Source identifier: 1759709}
}