@misc{1186326, author = {Margarete Ehrlich and Christopher G Soares}, title = {Exposure spectra from NBS vertical-beam ⁶⁰Co gamma-ray source:}, year = {1976}, month = {1976-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.IR.76-1117}, language = {en}, }