@misc{1137081, author = {Katherine E. Sharpless and Jeanice M. Brown Thomas and David L. Duewer}, title = {NIST Micronutrients Measurement Quality Assurance Program Analysis Tutorial:}, year = {2016}, month = {2016-09-01 04:09:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.IR.7880-40}, language = {en}, }