@misc{indiciaee1fcb09dc34f,
  title = {Massed versus spaced sessions in systematic desensitization.},
  author = {J O Kling and E M Minogue},
  year = {1973},
  doi = {10.1080/00223980.1973.9915661},
  url = {https://pubmed.ncbi.nlm.nih.gov/4748967/},
  note = {Source identifier: 4748967}
}