TY  - RPRT
TI  - Making ultrabright x-rays.
AU  - M Altarelli
AU  - F Schlachter
AU  - J Cross
PY  - 1998
DO  - 10.1038/scientificamerican1298-66
UR  - https://pubmed.ncbi.nlm.nih.gov/9828466/
ID  - 9828466
ER  -