@misc{indiciaebe35917daf2f,
  title = {Developable images produced by x-rays using the nickel-hypophosphite system. 2: Exposure and development parameters for sodium hypophosphite},
  author = {May, C. E. and Philipp, W. H. and Marsik, S. J.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720011539},
  note = {Source identifier: 19720011539}
}