@misc{1176896, author = {M Ehrlich and J S Pruitt and C G Soares and C E Dick and H T Heaton and R B Schwartz}, title = {Standard beta-particle and monenergetic electron sources for the calibration of beta-radiation protection instrumentation ::jointly sponsored by the U. S. Nuclear Regulatory Commission and the U. S. Department of Commerce}, year = {1985}, month = {1985-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.IR.85-3169}, language = {en}, }