@article {Ortiz:1991:0736-2935:385,
title = "Noise characteristics of underground coal mining equipment",
journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings",
parent_itemid = "infobike://ince/incecp",
publishercode ="ince",
year = "1991",
volume = "1991",
number = "5",
publication date ="1991-12-02T00:00:00",
pages = "385-388",
itemtype = "ARTICLE",
issn = "0736-2935",
url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1991/00001991/00000005/art00087",
keyword = "14.3.2, 56.2",
author = "Ortiz, E. Garcia and Vidal, I. and Cepeda, J. and Baladron, G.",
abstract = "",
}