U. Amin and  A. Talib and  S. A. Qureshi and  M. J. Hossain and  G. Ahmad ,  Comparison of Electrical Parameters of Oil-Immersed and Dry-Type Transformer Using Finite Element Method .   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2018, vol. 137(5). 341 - 345
    [viewed 17 October 2019]. Available from: https://publications.waset.org/pdf/10008873.