TY - JOUR PB - American Physical Society ID - 10.1103/PhysRevFocus.11.12 TI - All Twisted Up JF - Physical Review Focus JA - Phys. Rev. Focus J1 - FOCUS VL - 11 IS - SP - 12 EP - PY - 2003/03/28/ UR - http://link.aps.org/doi/10.1103/PhysRevFocus.11.12 A1 - Winerman, Lea ER -