WASET
Khawaja, R. , Blackburn, T. , Arif, M.. "Ageing and Partial Discharge Patterns in Oil-Impregnated Paper and Pressboard Insulation at High Temperature". World Academy of Science, Engineering and Technology, Open Science Index 30, International Journal of Mechanical and Mechatronics Engineering, (2009), 3(6), 734 - 739.