000 00471pam a2200181a 44500
008 160408b1969 xxu||||| |||| 00| 0 eng d
082 _a534.55
_bB468pu
100 _aBeyer, Robert T.
245 1 _aPHYSICAL ULTRASONICS
260 _aNew York
_bAcademic Press
_c1969
300 _a378
440 _aPure And Applied Physics
_v
500 _aIncludes Bibliography
650 _aUltrasonics
700 _aLetcher, Stephen V.
964 _gCIRC
997 _aA7578 C
999 _c258903
_d258903