@misc{indiciae424eb0031bcc,
  title = {Gravity-independent constant force resistive exercise unit},
  author = {Colosky, Jr., Paul E. and Ruttley, Tara M.},
  year = {2004},
  url = {https://ntrs.nasa.gov/citations/20080007442},
  note = {Source identifier: 20080007442}
}