@misc{indiciae1051c7933944,
  title = {Iterative algebraic reconstruction algorithms for emission computed tomography: a unified framework and its application to positron emission tomography.},
  author = {X L Xu and J S Liow and S C Strother},
  doi = {10.1118/1.596954},
  url = {https://pubmed.ncbi.nlm.nih.gov/8309440/},
  note = {Source identifier: 8309440}
}