@article {Ingard:1990:0736-2935:225, title = "Further studies of sound absorption by porous, flexible materials", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1990", volume = "1990", number = "5", publication date ="1990-08-13T00:00:00", pages = "225-230", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1990/00001990/00000005/art00047", keyword = "72.7.3, 35.2.3", author = "Ingard, Uno and Kirschner, Francis and Koch, John and Poldino, Michael", abstract = "", }