@misc{indiciaea27ac2ba367c,
  title = {A comparison of two grid forms.},
  author = {J M Mair and P R Boyd},
  year = {1967},
  doi = {10.1111/j.2044-8260.1967.tb00523.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/6077472/},
  note = {Source identifier: 6077472}
}