@article {Liu:2012:0736-2935:7326, title = "The use of non-collocated higher order sources in the equivalent source method", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "2012", volume = "2012", number = "4", publication date ="2012-08-19T00:00:00", pages = "7326-7337", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/2012/00002012/00000004/art00040", keyword = "74.7, 75.7", author = "Liu, Yangfan and Bolton, J. Stuart", abstract = "", }