@article {Crocker:1977:0736-2935:331, title = "Internal combustion engine exhaust muffling", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1977", volume = "1977", number = "1", publication date ="1977-10-17T00:00:00", pages = "331-358", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1977/00001977/00000001/art00026", keyword = "34.2, 11.6.4", author = "Crocker, Malcolm J.", abstract = "", }