S. M. Gubanski, P. Boss, G. Csepes, V. Der Houhanessian, J. Filippini, P. Guuinic,
U. Gafvert, V. Karius, J. Lapworth, G. Urbani, P. Werelius, and W. Zaeng, “Dielectric
response methods for diagnostics of power transformers,” Report of the TF D1.01.09,
CIGRE, France, 2002.