@article {Beltman:1997:0736-2935:683, title = "A new design tool for optimization of viscothermal damping in double wall structures", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1997", volume = "1997", number = "5", publication date ="1997-08-25T00:00:00", pages = "683-686", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1997/00001997/00000005/art00057", keyword = "47, 51.3", author = "Beltman, W.M.", abstract = "", }