@article {Allard:1989:0736-2935:1099,
title = "In situ technique for the measurement of the surface impedance at normal and oblique incidence",
journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings",
parent_itemid = "infobike://ince/incecp",
publishercode ="ince",
year = "1989",
volume = "1989",
number = "1",
publication date ="1989-12-04T00:00:00",
pages = "1099-1102",
itemtype = "ARTICLE",
issn = "0736-2935",
url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1989/00001989/00000001/art00016",
keyword = "72.3, 72.7.2",
author = "Allard, J.F. and Cops, A. and Lauriks, W.",
abstract = "",
}