@misc{indiciaeffcbaaeddbd3,
  title = {On rigidity and field-dependence.},
  author = {S Breskin and B S Gorman},
  year = {1969},
  doi = {10.2466/pms.1969.29.2.541},
  url = {https://pubmed.ncbi.nlm.nih.gov/5361722/},
  note = {Source identifier: 5361722}
}