@article {Wren:1994:0736-2935:1809, title = "A generalised prediction for calculating sound power level data of square ceiling diffusers", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1994", volume = "1994", number = "3", publication date ="1994-09-29T00:00:00", pages = "1809-1812", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1994/00001994/00000003/art00080", keyword = "11.4.4, 72.4", author = "Wren, David", abstract = "", }