@misc{indiciae771a439792af,
  title = {[Changes in the electromyogram in the estimation of perceptive patterns of variable difficulty].},
  author = {B Maspfuhl and A Metz},
  year = {1970},
  url = {https://pubmed.ncbi.nlm.nih.gov/4396967/},
  note = {Source identifier: 4396967}
}