Innovative fibreless HVAC duct silencer based on microperforated elementsVillau, Margus; Rämmal, Hans; Lavrentjev, JüriMaterials today: proceedings2021 / 7 p. : ill https://doi.org/10.1016/j.matpr.2021.06.201 Journal metrics at Scopus Article at Scopus A new type of compact silencer for high requency noiseKabral, Raimo; Auriemma, Fabio; Knutsson, Magnus; Abom, MatsProceedings of the 9th International Conference of DAAAM Baltic Industrial Engineering, 24-26th April 2014, Tallinn, Estonia2014 / p. 29-35 : ill