@article {Granat:1997:0736-2935:847, title = "Variational formualation using integral equations to solve the problem of sound propagation above an absorbing plane", 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 = "847-850", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1997/00001997/00000005/art00096", keyword = "75.9, 24.8", author = "Granat, C. and Ben Tahar, M. and Ha-Duong, T.", abstract = "", }