@misc{1154786, author = {William R Shields}, title = {Analytical mass spectrometry section ::summary of activities July 1969 to June 1970}, year = {1970}, month = {1970-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.TN.546}, language = {en}, }