@article {Gummlich:1981:0736-2935:1117, title = "Noise zoning and sound insulation near airports - Ten years implementation of German Air Traffic Noise Act", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1981", volume = "1981", number = "2", publication date ="1981-10-06T00:00:00", pages = "1117-1120", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1981/00001981/00000002/art00043", keyword = "52.2, 85", author = "Gummlich, Heinz J.", abstract = "", }