@misc{1190451, author = {Martin J Berger}, title = {Improved point kernels for electron and beta-ray dosimetry:}, year = {1973}, month = {1973-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.IR.73-107}, language = {en}, }