@article {Yamamoto:2009:0736-2935:3970, title = "Terrain effect on long range propagation of heavy weapon noise", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "2009", volume = "2009", number = "3", publication date ="2009-08-23T00:00:00", pages = "3970-3977", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/2009/00002009/00000003/art00091", keyword = "21.3.6, 24.5", author = "Yamamoto, Ippei and Tsukioka, Hidebumi and Makino, Koichi and Yamamoto, Kohei and Yamada, Ichiro", abstract = "", }