@article {Royster:1981:0736-2935:157, title = "Judging the effectiveness of hearing protection devices by evaluating the audiometric data base", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1981", volume = "1981", number = "1", publication date ="1981-06-08T00:00:00", pages = "157-160", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1981/00001981/00000001/art00030", keyword = "36, 78", author = "Royster, Julia D. and Royster, Larry H.", abstract = "", }