TY - JOUR PB - American Physical Society ID - 10.1103/PhysRevFocus.19.17 TI - Intergalactic Projectiles JF - Physical Review Focus JA - Phys. Rev. Focus J1 - FOCUS VL - 19 IS - SP - 17 EP - PY - 2007/05/30/ UR - http://link.aps.org/doi/10.1103/PhysRevFocus.19.17 A1 - Shekhar, Chandra ER -