@misc{indiciae46789cc82b14,
  title = {Quantitative analysis of major elements in silicate minerals and glasses by micro-PIXE},
  author = {J.L. Campbell and G.K. Czamanske and L. MacDonald and W.J. Teesdale},
  year = {1997},
  doi = {10.1016/s0168-583x(97)00258-9},
  url = {https://pubs.usgs.gov/publication/70019863},
  note = {Source identifier: 70019863}
}