@article {Plotkin:1993:0736-2935:595, title = "Incorporation of topography effects in aircraft noise modeling", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1993", volume = "1993", number = "1", publication date ="1993-05-02T00:00:00", pages = "595-600", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1993/00001993/00000001/art00099", keyword = "76.1.3, 52.2.1", author = "Plotkin, Kenneth J. and Moultono, Carey L. and Lee, Robert A.", abstract = "", }