@article {Usagawa:2011:0736-2935:2788, title = "On a unidirectional loudspeaker system for low frequency range reproduction using ANC technique", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "2011", volume = "2011", number = "5", publication date ="2011-07-04T00:00:00", pages = "2788-2792", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/2011/00002011/00000005/art00080", keyword = "71.1.4, 38.2", author = "Usagawa, Tsuyoshi and Murakami, Syuhei and Poekoel, Vecky Canisius and Chisaki, Yoshifumi", abstract = "", }