@article {Ufford:1990:0736-2935:1061, title = "An investigation of the number of incoherent sources in an internal combustion engine", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1990", volume = "1990", number = "3", publication date ="1990-08-13T00:00:00", pages = "1061-1064", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1990/00001990/00000003/art00041", keyword = "74.1, 11.6.4", author = "Ufford, D.A. and Bernhard, R.J.", abstract = "", }