@misc{indiciaed4a2a3c74ca9,
  title = {[Quantitative ultramicroanalyses].},
  author = {M Niwa and Y Nagashima and F Shimbo and K Igusa},
  year = {1970},
  url = {https://pubmed.ncbi.nlm.nih.gov/5495246/},
  note = {Source identifier: 5495246}
}