WASET
    M.Z. Islam and  C.W. Lim,  Torsional Statics of Circular Nanostructures: Numerical Approach.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2013, vol. 73(1). 1 - 8
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/3271.