@article {Liasjo:1994:0736-2935:263, title = "Introducting topography corrections into aircraft noise calculations", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1994", volume = "1994", number = "6", publication date ="1994-09-29T00:00:00", pages = "263-266", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1994/00001994/00000006/art00043", keyword = "52.2.1, 13.1", author = "Liasjo, Kare H. and Granoien, Idar L.N. and Olsen, Herold", abstract = "", }