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<response><item key="0"><nothing>Elizaveta Melik-Gaykazyan, Andrey Bogdanov, Yuri Kivshar, "Observation of highly efficient second-harmonic generation at the nanoscale driven by bound states in the continuum", High Contrast Metastructures IX, 2020, [DOI: 10.1117/12.2544231] </nothing></item></response>
