@misc{indiciae25bd5a46e2f5,
  title = {The "memory cliff" beyond span in immediate recall.},
  author = {D A Drachman and M S Zaks},
  year = {1967},
  doi = {10.2466/pr0.1967.21.1.105},
  url = {https://pubmed.ncbi.nlm.nih.gov/6078348/},
  note = {Source identifier: 6078348}
}