@article {Rosao:2010:0736-2935:6363, title = "Variability of noise levels from railways", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "2010", volume = "2010", number = "4", publication date ="2010-06-13T00:00:00", pages = "6363-6370", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/2010/00002010/00000004/art00015", keyword = "77, 52.4", author = "Rosao, Vitor and Conceicao, Euseblo and Marques, Teresa", abstract = "", }