@article {Attenborough:1983:0736-2935:301, title = "Ground effect in outdoor noise propagation", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1983", volume = "1983", number = "4", publication date ="1983-07-13T00:00:00", pages = "301-306", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1983/00001983/00000004/art00069", keyword = "75.9, 24.9", author = "Attenborough, Keith", abstract = "", }