@article {Nishiwaki:1976:0736-2935:59, title = "Noise at infrasound frequencies, generated by machines and methods for decreasing S.P.L.", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1976", volume = "1976", number = "1", publication date ="1976-04-05T00:00:00", pages = "59-62", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1976/00001976/00000001/art00012", keyword = "21.8.1, 12", author = "Nishiwaki, Niichi and Mori, Takuji", abstract = "", }