@misc{indiciaec654447d4dc7,
  title = {Class on Saturday.},
  author = {D Gollrad},
  year = {1970},
  doi = {10.1016/s0001-2092(07)60173-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/4191713/},
  note = {Source identifier: 4191713}
}