@article {Okubo:2010:0736-2935:3579, title = "Effective size of absorbing surface around the tope edge of noise barrier", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "2010", volume = "2010", number = "7", publication date ="2010-06-13T00:00:00", pages = "3579-3588", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/2010/00002010/00000007/art00005", keyword = "31.1, 35", author = "Okubo, Tomonao and Yamamoto, Kohei", abstract = "", }