00658nam a2200193Ia 4500003000900000008004100009040001600050080001500066100001800081245011100099260005100210300001400261490005300275650002300328650002600351650002600377650004300403700001800446IN-BaIIA211028s9999 xx 000 0 eng d cIIA Library a535.8bMIE aMielenz, K. D 0aDesign, construction and testing of a new high accuracy spectrophotometercK. D. Mielenz and K. L. Eckerle aWashingtonbU. S. Department of Commercec1972 aiii, 55p. aNational Bureau of Standards Technical Note; 729 a Applied optics  a Optical instruments a Spectrophotometer  aAstronomy and astrophysics thesaurus  aEckerle, K. L