@misc{indiciaec90ec653b61e,
  title = {An automatic switch with variable off and on intervals.},
  author = {L GELFAND and R S SOANES},
  year = {1956},
  doi = {10.1037/h0083659},
  url = {https://pubmed.ncbi.nlm.nih.gov/13329932/},
  note = {Source identifier: 13329932}
}