@article {Carvalho:1997:0736-2935:278, title = "New methodology regarding environmental impact assessment for traffic noise in Portugal", 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 = "278-280", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1997/00001997/00000006/art00064", keyword = "68.4, 52.3", author = "Carvalho, Antonio P.O. and Rocha, Cecilia A.A.C.", abstract = "", }