@article {Warnaka:1981:0736-2935:307, title = "Improvements in adaptive active attenuators", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1981", volume = "234", number = "1", publication date ="1981-10-06T00:00:00", pages = "307-310", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1981/00000234/00000001/art00066", keyword = "74.3, 38.2", author = "Warnaka, Glenn E. and Tichy, Jiri and Poole, Lynn A.", abstract = "", }