@article {Bjor:1997:0736-2935:1555, title = "Measurement of extremely low sound pressure levels", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1997", volume = "1997", number = "3", publication date ="1997-08-25T00:00:00", pages = "1555-1558", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1997/00001997/00000003/art00047", keyword = "51.1.2, 72.1", author = "Bjor, Ole-Herman", abstract = "", }