@article {Hidaka:1990:0736-2935:231, title = "Experimental verification of the relation between reverberant and random incident sound absorption coefficient of porous - Relating to those having an air space with rigid wall", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1990", volume = "1990", number = "5", publication date ="1990-08-13T00:00:00", pages = "231-234", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1990/00001990/00000005/art00048", keyword = "35.4, 72.7.1", author = "Hidaka, T. and Masuda, S.", abstract = "", }