@misc{indiciae8f0139444b8c,
  title = {The Palomar wedge sensitometer},
  author = {Hoessel, J. G. and Jewison, M. S. and Oegerle, W. R. and Armstrong, B. K.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19860043374},
  note = {Source identifier: 19860043374}
}