VENKATESH, C.; SHANTI SWARUP, K. Challenges and Developments in Numerical Distance Protection. Power Research - A Journal of CPRI, [S. l.], p. 23–32, 2011. Disponível em: https://node6473.myfcloud.com/~geosocin/CPRI/index.php/pr/article/view/669. Acesso em: 4 may. 2024.