WASET
    N. Sumathi and  R. Srinivasa Rao,  Seasonal Based Pollution Performance of 11kV and 33kV Silicon Composite Insulators.   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2015, vol. 103(7). 732 - 737
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10003298.