WASET
    E. Barkanov and  E. Skukis and  M. Wesolowski and  A. Chate,  Characterization of Adhesive Layers in Sandwich Composites by Nondestructive Technique.   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2009, vol. 26(2). 104 - 109
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/6336.