@misc{indiciae602ecdeccf00,
  title = {Duration comparison: relative stimulus differences stimulus age, and stimulus predictiveness.},
  author = {D A Stubbs and L R Dreyfus and J G Fetterman and D M Boynton and N Locklin and L D Smith},
  year = {1994},
  doi = {10.1901/jeab.1994.62-15},
  url = {https://pubmed.ncbi.nlm.nih.gov/8064211/},
  note = {Source identifier: 8064211}
}