@article {Li:2014:0736-2935:1877, title = "Improving sound absorption bandwidth of micro-perforated panel by adding porous materials", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "2014", volume = "249", number = "6", publication date ="2014-10-14T00:00:00", pages = "1877-1882", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/2014/00000249/00000006/art00045", keyword = "35.1, 35.2", author = "Li, Dengki and Chang, Daoqing and Liu, Bilong and Tian, Jing", abstract = "", }