@misc{indiciae538867405700,
  title = {Blocking between occasion setters and contextual stimuli.},
  author = {D Swartzentruber},
  year = {1991},
  doi = {10.1037//0097-7403.17.2.163},
  url = {https://pubmed.ncbi.nlm.nih.gov/2045771/},
  note = {Source identifier: 2045771}
}