Acoustic spectrum analysis of genuine and counterfeit euro coinsGavrijaševa, Alina; Märtens, Olev; Land, RaulElektronika ir elektrotechnika = Electronics and electrical engineering2015 / p. 54-57 : ill https://doi.org/10.5755/j01.eee.21.3.10384 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS