@article {Richards:1974:0093-9978:71, title = "A Method of Assessing Community Noise Impact from Independent Time-Varying Sources", journal = "Noise Control Engineering", parent_itemid = "infobike://ince/nce", publishercode ="ince", year = "1974", volume = "3", number = "2", publication date ="1974-09-01T00:00:00", pages = "71-76", itemtype = "ARTICLE", issn = "0093-9978", url = "https://ince.publisher.ingentaconnect.com/content/ince/nce/1974/00000003/00000002/art00004", doi = "doi:10.3397/1.2831971", author = "Richards, Roy L. and Freytag, John C.", abstract = "", }