@article {Lang:1991:0736-2935:123, title = "International standards for the determination of sound power levels and for the measurement of emission sound pressure levels of sources", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1991", volume = "1991", number = "5", publication date ="1991-12-02T00:00:00", pages = "123-126", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1991/00001991/00000005/art00024", keyword = "81.2, 72.4", author = "Lang, William W.", abstract = "", }