@conference{174591, author = {Robert Vest and L Canfield and Mitchell Furst and R Graves and A Hamilton and L Hughey and Thomas Lucatorto and R Madden}, title = {NIST Programs for Calibrations in the Far Ultraviolet Spectral Region}, year = {1999}, month = {1999-11-01}, publisher = {Proceedings of the 44th annual SPIE meeting}, language = {en}, }