@misc{indiciae15ec034dd934,
  title = {A computer program for processing impedance cardiographic data: Improving accuracy through user-interactive software},
  author = {Cowings, Patricia S. and Naifeh, Karen and Thrasher, Chet},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19890002821},
  note = {Source identifier: 19890002821}
}