@article {Pierce:1993:0736-2935:157, title = "Progressive wave equations and algorithms for sonic boom propagation", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1993", volume = "1993", number = "1", publication date ="1993-05-02T00:00:00", pages = "157-162", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1993/00001993/00000001/art00025", keyword = "24, 13.1.2", author = "Pierce, Allan D.", abstract = "", }