@article {Herraez:1998:0736-2935:71, title = "On the requirements on the F_pi indicator when determining emission sound pressure levels using sound intensity", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1998", volume = "1998", number = "6", publication date ="1998-10-16T00:00:00", pages = "71-76", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1998/00001998/00000006/art00018", keyword = "72.3, 81.2.1", author = "Herraez, M. and Machimbarrena, M.", abstract = "", }