TY - RPRT TI - Dynamical screening at a metal surface probed by second-harmonic generation. AU - KJ Song AU - D Heskett AU - HL Dai AU - A Liebsch AU - EW Plummer PY - 1988 DO - 10.1103/physrevlett.61.1380 UR - https://pubmed.ncbi.nlm.nih.gov/10038779/ ID - 10038779 ER -