TY - JOUR PB - American Physical Society ID - 10.1103/PhysRevFocus.8.8 TI - Ozone Layer Burned by Cosmic Rays JF - Physical Review Focus JA - Phys. Rev. Focus J1 - FOCUS VL - 8 IS - SP - 8 EP - PY - 2001/08/02/ UR - http://link.aps.org/doi/10.1103/PhysRevFocus.8.8 A1 - Brumfiel, Geoff ER -