WASET
    R. H. Khawaja and  T. R. Blackburn and  M. Rehan Arif,  Ageing and Partial Discharge Patterns in Oil-Impregnated Paper and Pressboard Insulation at High Temperature.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2009, vol. 30(6). 734 - 739
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/1667.