000 00270pas a2200097 454500
008 160820b1954 xxu||||| |||| 00| 0 eng d
022 _a0018-9537
245 _aIEEE TRANSACTIONS ON SONICS AND ULTRASONICS
260 _aNEWYORK
_bIEEE
_c1954
906 _a
_b
_c
_dJan - Dec,2008
999 _c473105
_d473105