WASET
    G.Vinitha and  A.Ramalingam,  Optical Limiting Characteristics of Core-Shell Nanoparticles.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    April 2010, vol. 40(4). 490 - 492
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/11005.