共 8 条
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LAWRIE WE, TO BE PUBLISHED
[4]
MUENOW RA, 1965, MATER EVAL, V23, P449
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SAYERS JF, TO BE PUBLISHED
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SOKOLOV SI, 1950, USPEKHI FIZICHESKIKH, V40, P20
[8]
TURNER WR, 1965, ULTRASONICS, V3, P182