@misc{indiciaed4200a5dcd35,
  title = {Visual evoked potentials and selective attention to points in space},
  author = {Van Voorhis, S. and Hillyard, S. A.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19770061894},
  note = {Source identifier: 19770061894}
}