WASET
    Ezgi Dündar-Tekkaya and  Nilgün Karatepe,  Production of Carbon Nanotubes by Iron Catalyst.   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2011, vol. 55(7). 555 - 561
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/7347.