TY - RPRT TI - Bilger, Clement, and Schepkin reply. AU - R Bilger AU - HA Clement AU - MG Schepkin PY - 1994 DO - 10.1103/physrevlett.72.2972 UR - https://pubmed.ncbi.nlm.nih.gov/10056032/ ID - 10056032 ER -