@article {Lau:2009:0736-2935:498, title = "Investigation of system configuration and pressure gradient control for active noise barrier", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "2009", volume = "2009", number = "7", publication date ="2009-08-23T00:00:00", pages = "498-507", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/2009/00002009/00000007/art00063", keyword = "38.2, 31.1", author = "Lau, Siu-Kit and Tang, Shiu-Keung", abstract = "", }