@article {Davy:2015:0736-2935:41, title = "Approximate equations for the radiation impedance of a rectangular panel", 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 = "41-52", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/2015/00000250/00000007/art00005", keyword = "23.1, 75.9", author = "Davy, John L. and Larner, David J. and Wareing, Robin R. and Pearse, John R.", abstract = "", }