@misc{indiciaee45076aa162a,
  title = {Multimode ergometer system},
  author = {Bynum, B. G. and Gause, R. L. and Spier, R. A.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710000106},
  note = {Source identifier: 19710000106}
}