@misc{indiciae12986bd7587e,
  title = {Some problems in the estimation of localized activity.},
  author = {I D Eversden and R J French and N G Trott},
  year = {1968},
  url = {https://pubmed.ncbi.nlm.nih.gov/4305080/},
  note = {Source identifier: 4305080}
}