@article {Muehleisen:2009:0736-2935:4215, title = "Review of the implementation and recent changes of several acoustic criteria used in United States schools", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "2009", volume = "2009", number = "2", publication date ="2009-08-23T00:00:00", pages = "4215-4222", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/2009/00002009/00000002/art00021", keyword = "69.1, 51.1.4", author = "Muehleisen, Ralph", abstract = "", }