@misc{indiciaeaee555c33f9b,
  title = {Real-time contourography - An improved electrocardiographic display},
  author = {Golden, D. P., Jr. and Mauldin, D. G. and Wolthuis, R. A.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700068261},
  note = {Source identifier: 19700068261}
}