@misc{indiciaeeba318595f1e,
  title = {Sample size and sampling errors as the source of dispersion in chemical analyses},
  author = {Clanton, U. S. and Fletcher, C. R.},
  year = {1976},
  url = {https://ntrs.nasa.gov/citations/19770051882},
  note = {Source identifier: 19770051882}
}