TY - GEN AU - BOSLEY,W AU - CRAGGS,J D TI - X-radiation from a 20-MeV. betatron SN - 0028-0836 PY - 2008///1020 KW - Particle Accelerators KW - X-Rays N1 - Publication Type: Journal Article UR - https://doi.org/10.1038/1611022a0 ER -