@article {Lang:1993:0736-2935:319, title = "Progress in the development of international standards for determining sound power levels and emission sound pressure levels of noise sources", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1993", volume = "1993", number = "6", publication date ="1993-08-24T00:00:00", pages = "319-322", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1993/00001993/00000006/art00054", keyword = "81.2, 72.4", author = "Lang, William W.", abstract = "", }