@misc{indiciae6137706ede5a,
  title = {A simplified method of calculating the maximum spatial vector.},
  author = {D R Pieroni},
  year = {1973},
  doi = {10.1016/s0022-0736(73)80041-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4269556/},
  note = {Source identifier: 4269556}
}