@article {Kovalchik:2006:0736-2935:2396, title = "A measurement method for determining absorption coefficients for underground mines", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "2006", volume = "2006", number = "5", publication date ="2006-12-03T00:00:00", pages = "2396-2405", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/2006/00002006/00000005/art00076", keyword = "14.3.2, 72", author = "Kovalchik, Peter G. and Matetic, Rudy J. and Cole, Gregory P. and Smith, Adam K.", abstract = "", }