@article {Gummlich:1983:0736-2935:639, title = "Noise abatement at general aviation airframe in the Federal Republic of Germany", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1983", volume = "1983", number = "3", publication date ="1983-07-13T00:00:00", pages = "639-642", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1983/00001983/00000003/art00051", keyword = "38.5, 52.7.1", author = "Gummlich, Heniz J.", abstract = "", }