@article {Birnbach:2005:0736-2935:1720,
title = "Acoustic impedance and absorption coefficient of Helmholtz resonators modified by geometrical configuration variations of the inlet neck of two parallel perforated layers",
journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings",
parent_itemid = "infobike://ince/incecp",
publishercode ="ince",
year = "2005",
volume = "2005",
number = "7",
publication date ="2005-07-05T00:00:00",
pages = "1720-1729",
itemtype = "ARTICLE",
issn = "0736-2935",
url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/2005/00002005/00000007/art00064",
keyword = "75, 34.3",
author = "Birnbach, M. and Sliwinski, A. and Zachara, S.",
abstract = "",
}