TY - JOUR PB - American Physical Society ID - 10.1103/Physics.2.99 TI - Straightening messy correlations with a quantum comb JF - Physics JA - Physics J1 - PHYSICS VL - 2 IS - SP - 99 EP - PY - 2009/11/23/ UR - http://link.aps.org/doi/10.1103/Physics.2.99 A1 - Christandl, Matthias ER -