@article {Ugai:1979:0736-2935:569, title = "Infrasound occurred to centrifugal fans used in subway ventilating equipment, and infrasound control", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1979", volume = "1979", number = "2", publication date ="1979-09-11T00:00:00", pages = "569-572", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1979/00001979/00000002/art00110", keyword = "21.8.1, 11.4.2", author = "Ugai, Yoshio and Suzuki, Shoji", abstract = "", }