@article{mclaughlin_rosenstein_hussman_lantz_1971, 
  title={Scanning densitometer for continuous recording of spectral transmission density at low spatial contrast}, 
  volume={75C}, 
  DOI={10.6028/jres.075c.004}, 
  publisher={National Institute of Standards and Technology (NIST)}, 
  author={McLaughlin and Rosenstein and Hussman and Lantz}, 
  year={1971}
  }