@misc{indiciae61d40cbc495c,
  title = {Inexpensive photon counting system with internal gate generator},
  author = {Born, J. and Mickey, D. L. and Smith, W. H. and Zucchino, P.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700046881},
  note = {Source identifier: 19700046881}
}