@misc{indiciae90af7af81935,
  title = {A FIVE-CHANNEL PHOTOELECTRIC PROGRAMMER.},
  author = {F W HEGGE and R PIERREL and J G SHERMAN},
  year = {1964},
  doi = {10.1901/jeab.1964.7-326},
  url = {https://pubmed.ncbi.nlm.nih.gov/14176283/},
  note = {Source identifier: 14176283}
}