@article {Bowes:1978:0736-2935:749, title = "Anticipated benefits and costs of applying current helicopter noise reduction technology", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1978", volume = "1978", number = "1", publication date ="1978-05-08T00:00:00", pages = "749-754", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1978/00001978/00000001/art00110", keyword = "13,1,4, 67.2", author = "Bowes, Michael A.", abstract = "", }