TY - JOUR KW - pfc AU - Vasily Strelkov AU - Ulf Saalmann AU - Andreas Becker AU - Jan Rost BT - Physical Review Letters DA - 2011-09 DO - 10.1103/PhysRevLett.107.113901 PY - 2011 EP - 113901 T2 - Physical Review Letters TI - Monitoring Atomic Cluster Expansion by High-Harmonic Generation VL - 107 ER -