@misc{indiciaebe14be680589,
  title = {Time sampling: a methodological critique.},
  author = {J Mann and T Ten Have and J W Plunkett and S J Meisels},
  year = {1991},
  url = {https://pubmed.ncbi.nlm.nih.gov/2055121/},
  note = {Source identifier: 2055121}
}