@misc{indiciaee23b854b484a,
  title = {Sampling and measurements.},
  author = {M W First},
  year = {1969},
  doi = {10.1016/0013-9351(69)90022-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5782916/},
  note = {Source identifier: 5782916}
}