@misc{indiciaed1da5a3557de,
  title = {INSTRUMENTAL AND TECHNICAL NOTES: A PLANNING DEVICE FOR USE WITH BEAM DIRECTION SHELLS.},
  author = {H BESFORD and A SIVYER and E W BRAIN},
  year = {1964},
  doi = {10.1259/0007-1285-37-437-391},
  url = {https://pubmed.ncbi.nlm.nih.gov/14142547/},
  note = {Source identifier: 14142547}
}