@article {Lang:1983:0736-2935:651, title = "The reduction of aircraft noise zones around airports by increasing the proportion of low noise aircraft", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1983", volume = "1983", number = "3", publication date ="1983-07-13T00:00:00", pages = "651-654", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1983/00001983/00000003/art00054", keyword = "52.2.1, 38.4", author = "Lang, Judith", abstract = "", }