@misc{indiciae93caa113cc1c,
  title = {Reply to Piggins.},
  author = {S R Ellis and L Stark},
  year = {1979},
  doi = {10.1068/p080721},
  url = {https://pubmed.ncbi.nlm.nih.gov/530815/},
  note = {Source identifier: 530815}
}