@conference{140491,
  author = {R Deslattes and J Cline and J Staudenmann and Ernest Kessler and Lawrence Hudson and Albert Henins},
  title = {Status of the Development of SRM 640C},
  year = {1999},
  month = {1999-01-01},
  publisher = {46th Annual Denver X-Ray Conference, Steamboat Springs, CO},
  language = {en},
}