@article {Plass:1970:1610-1928:265, title = "Model Studies on Sound Radiation from Metal and Periodic Structures by Schlieren Optics", journal = "Acta Acustica united with Acustica", parent_itemid = "infobike://dav/aaua", publishercode ="dav", year = "1970", volume = "23", number = "5", publication date ="1970-11-01T00:00:00", pages = "265-268", itemtype = "ARTICLE", issn = "1610-1928", url = "https://www.ingentaconnect.com/content/dav/aaua/1970/00000023/00000005/art00006", author = "Plass, K. G.", abstract = "Schlieren optical observations are presented to study the radiation of sound from plane, curved, bent, and periodically stiffened thin metal plates.", }