@misc{W2033708340,
  author = {K. Norrish and J. T. Hutton},
  title = {An accurate X-ray spectrographic method for the analysis of a wide range of geological samples},
  year = {1969},
  howpublished = {Geochimica et Cosmochimica Acta},
  doi = {https://doi.org/10.1016/0016-7037(69)90126-4}
}