TY - JOUR PB - American Physical Society ID - 10.1103/PhysRevFocus.20.22 TI - Transparent Nuclei JF - Physical Review Focus JA - Phys. Rev. Focus J1 - FOCUS VL - 20 IS - SP - 22 EP - PY - 2007/12/21/ UR - http://link.aps.org/doi/10.1103/PhysRevFocus.20.22 A1 - Schirber, Michael ER -