@article {Poole:1987:0736-2935:377, title = "Improved active noise cancelling microphone", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1987", volume = "1987", number = "1", publication date ="1987-06-08T00:00:00", pages = "377-382", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1987/00001987/00000001/art00059", keyword = "38.2, 71.1.1", author = "Poole, Lynn A. and Warnaka, Glenn E.", abstract = "", }