@article {de Graaff:2001:0736-2935:2036, title = "A speed and acceleration limit in the noise type approval of vehicles will enable silent cars to reveal their silence", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "2001", volume = "2001", number = "3", publication date ="2001-08-27T00:00:00", pages = "2036-2041", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/2001/00002001/00000003/art00028", keyword = "52.3, 38.4.1", author = "de Graaff, D.F.", abstract = "", }