@misc{1172671, author = {John S Pruitt and Steve R Domen}, title = {Determination of total x-ray beam energy with a calibrated ionization chamber:}, year = {1962}, month = {1962-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.MONO.48}, language = {en}, }