@article{CTT100840066,
  author = {Shigeki Shiba and Hiroshi Sagara},
  title = {Iterative Reconstruction Algorithm Comparison Using Poisson Noise Distributed Sinogram Data in Passive Gamma Emission Tomography},
  journal = {J. NUCL. SCI. TECHNOL.},
  year = 2021,
}

@article{CTT100840065,
  author = {Shigeki Shiba and Hiroshi Sagara},
  title = {Passive gamma emission tomography with ordered subset expectation maximization method},
  journal = {Annals of Nuclear Energy},
  year = 2021,
}

@inproceedings{CTT100856000,
  author = {Takaya Tokuda and Shigeki Shiba and Hiroshi Sagara},
  title = {Development of Non-destructive Assay Technique using Passive Neutron Emission Tomography},
  booktitle = {Proceedings of INMM&ESARDA Joint Annual Meeting},
  year = 2021,
}