WASET
    C. C. Su and  S. H. Chang,  Characterization of Carbon Based Nanometer Scale Coil Growth.   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2011, vol. 55(7). 555 - 554
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/14229.