@article {Lechner:2009:0736-2935:1078, title = "Analyses of The Directive 2002/49/EC and proposals for improvement", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "2009", volume = "2009", number = "6", publication date ="2009-08-23T00:00:00", pages = "1078-1081", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/2009/00002009/00000006/art00036", keyword = "52, 81.2", author = "Lechner, Christoph", abstract = "", }