@article {Isermann:1988:0736-2935:1175, title = "Dependence of the results of aircraft noise prediction procedures on a sound level threshold", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1988", volume = "1988", number = "3", publication date ="1988-08-30T00:00:00", pages = "1175-1178", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1988/00001988/00000003/art00068", keyword = "76.1.3, 52.2", author = "Isermann, U. and Matschat, K. and Muller, E-A.", abstract = "", }