@misc{indiciaef3bfc30e7f66,
  title = {Quantity-distance protection.},
  author = {H M Roylance},
  year = {1968},
  doi = {10.1111/j.1749-6632.1968.tb11962.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5257524/},
  note = {Source identifier: 5257524}
}