Input parameters to the Blot theory, used by N. P. Chotiros [J. Acoust. Sec. Am. 97, 199-214 (1995)] in an effort to claim that a slow wave propagating at 1200 m/s was experimentally observed in near-bottom sand, are shown to be inconsistent with generally accepted results from prior theoretical and experimental studies of granular media. (C) 1998 Acoustical Society of America.
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