@misc{1187111, author = {Raymond C Sangster}, title = {Final summary report study of the National Measurement System 1972-75:}, year = {1976}, month = {1976-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.IR.75-925}, language = {en}, }