TY - JOUR PB - American Physical Society ID - 10.1103/PhysRevFocus.17.21 TI - Testing a Universal Symmetry JF - Physical Review Focus JA - Phys. Rev. Focus J1 - FOCUS VL - 17 IS - SP - 21 EP - PY - 2006/06/12/ UR - http://link.aps.org/doi/10.1103/PhysRevFocus.17.21 A1 - Lindley, David ER -