TY - JOUR PB - American Physical Society ID - 10.1103/PhysRevFocus.11.20 TI - Mixing it Up (Or Not) JF - Physical Review Focus JA - Phys. Rev. Focus J1 - FOCUS VL - 11 IS - SP - 20 EP - PY - 2003/05/08/ UR - http://link.aps.org/doi/10.1103/PhysRevFocus.11.20 A1 - Krieger, Kim ER -