TY - RPRT TI - Elastic interface waves propagating in a fracture. AU - LJ Pyrak-Nolte AU - J Xu AU - GM Haley PY - 1992 DO - 10.1103/physrevlett.68.3650 UR - https://pubmed.ncbi.nlm.nih.gov/10045758/ ID - 10045758 ER -