@misc{235141, author = {Georgia Harris}, title = {NISTIR 6969, Selected Laboratory and Measurement Practices, and Procedures, to Support Basic Mass Calibrations (2018 Edition)}, year = {2018}, month = {2018-02-07}, publisher = {NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.IR.6969-2018}, language = {en}, }