@misc{245441, author = {Elizabeth Benham}, title = {NIST HB 143 - State Weights and Measures Laboratories Program Handbook, 6th Edition}, year = {2019}, month = {2019-05-07}, publisher = {Handbook (NIST HB), National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.HB.143-2019}, language = {en}, }