@article {Wang:2006:0736-2935:5166, title = "Noise source identification and reduction of percussion machine", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "2006", volume = "2006", number = "2", publication date ="2006-12-03T00:00:00", pages = "5166-5174", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/2006/00002006/00000002/art00094", keyword = "72, 12.5.1", author = "Wang, J.H. and Lin, Y.C.", abstract = "", }