@misc{indiciaedd11b3020ec3,
  title = {The negative exponential with cumulative error. SAM-TR-68-29.},
  author = {M B Danford and H M Hughes},
  year = {1967},
  url = {https://pubmed.ncbi.nlm.nih.gov/5301172/},
  note = {Source identifier: 5301172}
}