@article {Takanashi:2014:0736-2935:2683, title = "Field experiment on ground-to-ground sound propagation from a directional source", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "2014", volume = "249", number = "5", publication date ="2014-10-14T00:00:00", pages = "2683-2691", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/2014/00000249/00000005/art00041", keyword = "13.8, 24.6", author = "Takanashi, Toshikazu and Sakamoto, Shinichi and Yokoyama, Sakae and Ishii, Hirokazu", abstract = "", }