TY - RPRT TI - Direct observation of surface-trapped diffracted waves. AU - T Jach AU - DB Novotny AU - MJ Bedzyk AU - Q Shen PY - 1989 DO - 10.1103/physrevb.40.5557 UR - https://pubmed.ncbi.nlm.nih.gov/9992589/ ID - 9992589 ER -