TY - JOUR PB - American Physical Society ID - 10.1103/Physics.2.7 TI - Staying focused JF - Physics JA - Physics J1 - PHYSICS VL - 2 IS - SP - 7 EP - PY - 2009/01/26/ UR - http://link.aps.org/doi/10.1103/Physics.2.7 A1 - Novikova, Irina ER -