@article {Kelders:1996:0736-2935:2757, title = "Non-destructive quality control of plastic foams using air-coupled ultrasonic transducers", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1996", volume = "1996", number = "3", publication date ="1996-08-02T00:00:00", pages = "2757-2760", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1996/00001996/00000003/art00054", keyword = "21.8.2, 72.7", author = "Kelders, L. and Leclaire, P. and Lauriks, W. and Thoen, J.", abstract = "", }