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National Bureau of Standards
view article (1.0)National Bureau of Standards, Washington, DCEnvironmental Protection Agency, Washington, DC; Energy Research and Development Administration, Washington, DC, NBS SP 492; LC Card Number 77-608301, November 1977,National Bureau of Standards. Procedures Used at the National Bureau of Standards to Determine Selected Trace Elements in Biological and Botanical Materials, National Bureau of Standards, Washington, DC, Mavrodineanu, R., Editors, 295 p., 1977