TY - JOUR PB - American Physical Society ID - 10.1103/Physics.5.50 TI - Keeping One Step Ahead of Errors JF - Physics JA - Physics J1 - PHYSICS VL - 5 IS - SP - 50 EP - PY - 2012/04/30/ UR - http://link.aps.org/doi/10.1103/Physics.5.50 A1 - Gottesman, Daniel ER -