@misc{indiciae5db3627af98d,
  title = {A method for continuous recording of movement.},
  author = {P MAKELA and K OSTERLUND and E I WALLGREN},
  year = {1959},
  doi = {10.1111/j.1748-1716.1959.tb01677.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/13626603/},
  note = {Source identifier: 13626603}
}