@misc{indiciaee7cde6e2d0ab,
  title = {Improved estimation of the detector response function for converging beam collimators.},
  author = {E C Frey and B M Tsui and G T Gullberg},
  year = {1998},
  doi = {10.1088/0031-9155/43/4/021},
  url = {https://pubmed.ncbi.nlm.nih.gov/9572517/},
  note = {Source identifier: 9572517}
}