@article {Norgia:2004:0736-2935:1828, title = "A simple method to calculate noise levels and noise contours during subsonic aircraft takeoff", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "2004", volume = "2004", number = "6", publication date ="2004-08-22T00:00:00", pages = "1828-1838", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/2004/00002004/00000006/art00066", keyword = "76, 13.1.2", author = "Norgia, L.", abstract = "", }