• Experimental study of noise barrier boards with increased acoustic performance by utilizing Helmholtz resonator effectsLavrentjev, Jüri; Rämmal, HansMaterials today: proceedings2020 / p. 2566-2571 https://doi.org/10.1016/j.matpr.2020.05.402 https://www.scopus.com/sourceid/21100370037 https://www.scopus.com/record/display.uri?eid=2-s2.0-85091267744&origin=inward&txGid=a9361414676e5144f6bd73b58dc09cbf https://www.webofscience.com/wos/woscc/full-record/WOS:000553825500010