@article{heijne2021history,
  author = {Heijne, E.H.M.},
  title = {History and future of radiation imaging with single quantum processing pixel detectors},
  journal = {Radiation Measurements},
  publisher = {Elsevier BV},
  volume = {140},
  pages = {106436},
  year = {2021},
  doi = {10.1016/j.radmeas.2020.106436},
  issn = {1350-4487}
}