@article {Fukushima:2011:0736-2935:850, title = "Calculation method of acoustic impedance from sound absorption coefficient by Hilbert transform", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "2011", volume = "2011", number = "7", publication date ="2011-07-04T00:00:00", pages = "850-855", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/2011/00002011/00000007/art00023", keyword = "75.9, 35.2.2", author = "Fukushima, Akinori and Itiki, Tomoyuki", abstract = "", }