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. 2009 Feb 16;9(2):980–994. doi: 10.3390/s90200980

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© 2009 by the authors; licensee Molecular Diversity Preservation International, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Figure 3. — Dispersion curves of Rayleigh wave under the shorted and open grating on Al/ST-cut quartz at M/p = 0.5: (a) The real part of normalized wave number. (b) The imaginary part of normalized wave number.