@misc{indiciae355a5c51e218,
  title = {Studies in spaced and massed learning; paired-associate and serial learning.},
  author = {J C TSAO},
  year = {1950},
  doi = {10.1080/17470215008416570},
  url = {https://pubmed.ncbi.nlm.nih.gov/15410047/},
  note = {Source identifier: 15410047}
}