@misc{indiciae327d73bb4aec,
  title = {External work in level walking.},
  author = {J W Gersten and W Orr and A W Sexton and D Okin},
  year = {1969},
  doi = {10.1152/jappl.1969.26.3.286},
  url = {https://pubmed.ncbi.nlm.nih.gov/5773168/},
  note = {Source identifier: 5773168}
}