Concept study of sustainable noise control solution for HVAC systems based on microperforated elementsVillau, Margus; Rämmal, Hans; Lavrentjev, JüriProceedings of the Estonian Academy of Sciences2021 / p. 461-469 : ill https://doi.org/10.3176/proc.2021.4.13 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS