@article {Mellert:1981:0736-2935:275,
title = "Problems in determining the outdoor ground impedance by measurements of sound propagation",
journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings",
parent_itemid = "infobike://ince/incecp",
publishercode ="ince",
year = "1981",
volume = "1981",
number = "4",
publication date ="1981-10-06T00:00:00",
pages = "275-278",
itemtype = "ARTICLE",
issn = "0736-2935",
url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1981/00001981/00000004/art00059",
keyword = "24.8, 72.7.2",
author = "Mellert, V. and Wempen, J. and Wilken, W.",
abstract = "",
}