WASET
    K. A. Weidenmann and  M. Grigo and  B. Brylka and  P. Elsner and  T. Böhlke,  Time Temperature Dependence of Long Fiber Reinforced Polypropylene Manufactured by Direct Long Fiber Thermoplastic Process.   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2017, vol. 121(1). 13 - 18
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10005992.