@misc{indiciae0d0577253256,
  title = {List-mode likelihood: EM algorithm and image quality estimation demonstrated on 2-D PET.},
  author = {L Parra and H H Barrett},
  year = {1998},
  doi = {10.1109/42.700734},
  url = {https://pubmed.ncbi.nlm.nih.gov/9688154/},
  note = {Source identifier: 9688154}
}