@misc{1140846, author = {Georgia L Harris}, title = {Selected Laboratoryand measurement practices and procedures to support basic mass calibrations::2019 Edition}, year = {2019}, month = {2019-05-01 04:05:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.IR.6969-2019}, language = {en}, }