@article {Blumenthal:1974:0736-2935:157, title = "Review of Boeing noise reduction activity", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1974", volume = "1974", number = "1", publication date ="1974-09-30T00:00:00", pages = "157-162", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1974/00001974/00000001/art00034", keyword = "13.1, 30", author = "Blumenthal, V.L. and Russell, R.E. and Streckenbach, J.M.", abstract = "", }