@misc{1182341, author = {John D Hoffman and John B Wachtman}, title = {Technical activities 1979:}, year = {1980}, month = {1980-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.IR.80-1996}, language = {en}, }