@article {Maxwell:1989:0736-2935:447, title = "Active noise control of pure tones in ducts for non-plane waves: A case study", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1989", volume = "1989", number = "3", publication date ="1989-12-04T00:00:00", pages = "447-450", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1989/00001989/00000003/art00080", keyword = "37.7, 26.1.1", author = "Maxwell, R.G. and Sjosten, P. and Lindqvist, E.A.", abstract = "", }