TY  - RPRT
TI  - List-mode likelihood: EM algorithm and image quality estimation demonstrated on 2-D PET.
AU  - L Parra
AU  - H H Barrett
PY  - 1998
DO  - 10.1109/42.700734
UR  - https://pubmed.ncbi.nlm.nih.gov/9688154/
ID  - 9688154
ER  -