@misc{indiciaefae62b68f672,
  title = {Generalization effects in human discrimination learning with overt cue identification.},
  author = {Halpern, J. and Massaro, D. W. and Moore, J. W.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680096494},
  note = {Source identifier: 19680096494}
}