@misc{indiciae7b33c167d959,
  title = {Environmental stimulation model.},
  author = {S S Zentall},
  year = {1977},
  doi = {10.1177/001440297704300803},
  url = {https://pubmed.ncbi.nlm.nih.gov/858310/},
  note = {Source identifier: 858310}
}