@article {Bies:1987:0736-2935:489, title = "New procedures for estimating attenuation rates in lined circular and rectangular", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1987", volume = "1987", number = "5", publication date ="1987-09-15T00:00:00", pages = "489-492", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1987/00001987/00000005/art00016", keyword = "26.1.4, 35", author = "Bies, David Alan and Hansen, Colin H.", abstract = "", }