@article {Zeng:1990:0736-2935:409,
title = "A study of negative sound intensity",
journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings",
parent_itemid = "infobike://ince/incecp",
publishercode ="ince",
year = "1990",
volume = "1990",
number = "1",
publication date ="1990-10-15T00:00:00",
pages = "409-414",
itemtype = "ARTICLE",
issn = "0736-2935",
url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1990/00001990/00000001/art00069",
keyword = "72.3, 21.1.2",
author = "Zeng, Li J. and Crocker, Malcolm J.",
abstract = "",
}