WASET
    Francesco Marotti de Sciarra and  Raffaele Barretta,  Closed-Form Solutions for Nanobeams Based On the Nonlocal Euler-Bernoulli Theory.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2015, vol. 98(2). 98 - 101
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/10000832.