@misc{1194881, author = {Charles W Hyer and Charles W Hyer}, title = {Directory of professionaltrade organization laboratory accreditationdesignation programs:}, year = {1992}, month = {1992-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.SP.831}, language = {en}, }