@article {Chen:1997:0736-2935:285, title = "The separation of background noise in railroad noise monitoring", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1997", volume = "1997", number = "6", publication date ="1997-08-25T00:00:00", pages = "285-288", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1997/00001997/00000006/art00066", keyword = "52.1, 52.4", author = "Chen, H-W. and Yu, G-Z. and Lee, Y-F.", abstract = "", }