@misc{indiciaec63028f89c32,
  title = {Chemical activation of quartz surfaces},
  author = {P. G. Nutting},
  year = {1930},
  doi = {10.1126/science.72.1862.243},
  url = {https://pubs.usgs.gov/publication/70010903},
  note = {Source identifier: 70010903}
}