TY - JOUR PB - American Physical Society ID - 10.1103/Physics.2.51 TI - Distinguishing between molecules that look the same JF - Physics JA - Physics J1 - PHYSICS VL - 2 IS - SP - 51 EP - PY - 2009/06/22/ UR - http://link.aps.org/doi/10.1103/Physics.2.51 A1 - Weinacht, Thomas ER -