@misc{1153861, author = {J M R Hutchinson}, title = {Calibration of five gamma-emitting nuclides for emission rate:}, year = {1960}, month = {1960-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.TN.71}, language = {en}, }