@article {Jones:1983:0736-2935:375, title = "The selective anti-noise ear defender", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1983", volume = "1983", number = "4", publication date ="1983-07-13T00:00:00", pages = "375-378", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1983/00001983/00000004/art00087", keyword = "36, 63.3", author = "Jones, O. and Smith, R.A.", abstract = "", }