@misc{indiciae43ef7cc1c339,
  title = {Signal analyzer i - a signal analysis system for manual control studies.},
  author = {Elkind, J. I. and Grignetti, M. C. and Payne, R. V.},
  year = {1965},
  url = {https://ntrs.nasa.gov/citations/19650039330},
  note = {Source identifier: 19650039330}
}