@misc{indiciae770c67722c11,
  title = {Simultaneous discriminations: two separate types of control.},
  author = {M D Zeiler},
  year = {1974},
  doi = {10.1037/h0036548},
  url = {https://pubmed.ncbi.nlm.nih.gov/4841324/},
  note = {Source identifier: 4841324}
}