@misc{1180306, author = {C W Reimann and R A Velapoldi and J K Taylor}, title = {Annual Report 1981 ::Center for Analytical Chemistry}, year = {1981}, month = {1981-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.IR.81-2425}, language = {en}, }