@article {Barnard:2004:0736-2935:209, title = "Measurement of sound transmission loss using a modified four microphone impedance tube", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "2004", volume = "2004", number = "1", publication date ="2004-07-12T00:00:00", pages = "209-216", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/2004/00002004/00000001/art00029", keyword = "72.7.1", author = "Barnard, Andrew R. and Rao, Mohan D.", abstract = "", }