@article {Vigran:2015:0736-2935:392, title = "Circular duct silencers using duct walls with micro-slits", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "2015", volume = "250", number = "7", publication date ="2015-08-10T00:00:00", pages = "392-399", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/2015/00000250/00000007/art00040", keyword = "34.3, 34.1", author = "Vigran, T.E. and Haugen, T.", abstract = "", }