@conference{768371,
  author = {M. Young and E. Johnson and R. Goldgraben},
  title = {Tunable Scratch Standards},
  year = {1985},
  number = {525},
  month = {1985-01-01 00:01:00},
  publisher = {Proc. Intl. Soc. for Optical Engineering (SPIE), Undefined},
  language = {en},
}