@misc{indiciaea3181815e212, title = {Making ultrabright x-rays.}, author = {M Altarelli and F Schlachter and J Cross}, year = {1998}, doi = {10.1038/scientificamerican1298-66}, url = {https://pubmed.ncbi.nlm.nih.gov/9828466/}, note = {Source identifier: 9828466} }