@article {Cummings:1993:0736-2935:1025,
title = "Sound attenuation in unlined ducts with flexible walls",
journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings",
parent_itemid = "infobike://ince/incecp",
publishercode ="ince",
year = "1993",
volume = "1993",
number = "5",
publication date ="1993-08-24T00:00:00",
pages = "1025-1028",
itemtype = "ARTICLE",
issn = "0736-2935",
url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1993/00001993/00000005/art00098",
keyword = "26.1.4, 51.6",
author = "Cummings, A.",
abstract = "",
}