@misc{indiciae764ab8a4e1e1,
  title = {[Quantitative analysis of spirograms].},
  author = {B S Agov and G P Khlopotova},
  year = {1972},
  url = {https://pubmed.ncbi.nlm.nih.gov/4660415/},
  note = {Source identifier: 4660415}
}