@misc{indiciae15fee9909d7e,
  title = {Incorporating auxiliary variables into probability sampling designs.},
  author = {A M Trinkoff and C L Storr},
  doi = {10.1097/00006199-199705000-00010},
  url = {https://pubmed.ncbi.nlm.nih.gov/9176509/},
  note = {Source identifier: 9176509}
}