@article {Kamperman:1977:0093-9978:131, title = "Real Time Frequency Analyzers for Noise Control", journal = "Noise Control Engineering", parent_itemid = "infobike://ince/nce", publishercode ="ince", year = "1977", volume = "9", number = "3", publication date ="1977-11-01T00:00:00", pages = "131-136", itemtype = "ARTICLE", issn = "0093-9978", url = "https://ince.publisher.ingentaconnect.com/content/ince/nce/1977/00000009/00000003/art00004", doi = "doi:10.3397/1.2832077", author = "Kamperman, George W. and Moore, Mary", abstract = "", }