@article {Ohkawa:1984:0736-2935:603, title = "Sound transmission characteristics of building elements with small openings for ventilation purposes", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1984", volume = "1984", number = "2", publication date ="1984-12-03T00:00:00", pages = "603-606", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1984/00001984/00000002/art00023", keyword = "51.5, 51.3", author = "Ohkawa, H. and Tachibana, H. and Koyasu, M.", abstract = "", }