@article {Ueta:2014:0736-2935:5921, title = "A study on comparison of noise reduction effect of a single-layer drainage asphalt pavement and double-layer drainage asphalt pavement: Part 2 long-term change of sound power level and frequency characteristic", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "2014", volume = "249", number = "1", publication date ="2014-10-14T00:00:00", pages = "5921-5927", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/2014/00000249/00000001/art00041", keyword = "35.5.5, 11.7.1", author = "Ueta, Tomotaka and Ishikawa, Kenichi and Mori, Hisho and Noguchi, Eiji and Yoshida, Motoomi and Kokusho, Masami and Nagaoka, Hironori", abstract = "", }