@misc{hubbell_2018_1259327, author = {Hubbell, J. H.}, title = {{Electron–positron pair production by photons: A historical overview}}, month = jun, year = 2018, publisher = {Zenodo}, doi = {10.1016/j.radphyschem.2005.10.008}, url = {https://doi.org/10.1016/j.radphyschem.2005.10.008} }