WASET
    Rui Magalhães and  Sohel Rana and  Raul Fangueiro and  Clara Gonçalves and  Pedro Nunes and  Gustavo Dias,  Development and Characterization of Re-Entrant Auxetic Fibrous Structures for Application in Ballistic Composites .   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2018, vol. 141(9). 446 - 451
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/10009458.