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acoustical (keyword)
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book article
Simple acoustical signature based coin validation
Märtens, Olev
;
Gavrijaševa, Alina
;
Land, Raul
;
Min, Mart
2015 IEEE 9th International Symposium on Intelligent Signal Processing (WISP 2015) : Siena, Italy, 15-17 May 2015 : [proceedings]
2015
/
p. 120-123 : ill
book article
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acoustical
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acoustical impedance
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