@article {Ritterbusch:2001:0736-2501:206, title = "Thirty years of government limits for construction machinery", journal = "Noise Control Engineering Journal", parent_itemid = "infobike://ince/ncej", publishercode ="ince", year = "2001", volume = "49", number = "4", publication date ="2001-07-01T00:00:00", pages = "206-209", itemtype = "ARTICLE", issn = "0736-2501", url = "https://ince.publisher.ingentaconnect.com/content/ince/ncej/2001/00000049/00000004/art00012", doi = "doi:10.3397/1.2839662", keyword = "68.6, 81.1", author = "Ritterbusch, Gerald H. and Meitl, Kenneth G.", abstract = "", }