@article {Simson:1977:0736-2935:907,
title = "Helicopter noise planning in London",
journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings",
parent_itemid = "infobike://ince/incecp",
publishercode ="ince",
year = "1977",
volume = "1977",
number = "2",
publication date ="1977-03-01T00:00:00",
pages = "907-910",
itemtype = "ARTICLE",
issn = "0736-2935",
url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1977/00001977/00000002/art00124",
keyword = "13.1.4, 89",
author = "Simson, J. and Deva-Aditya, N.J.",
abstract = "",
}