IEEE Transactions on Power Delivery
IEEE Transactions on Power Delivery > 2009 > 24 > 1 > 285 - 292
IEEE Transactions on Power Delivery > 2012 > 27 > 2 > 1030 - 1032
IEEE Transactions on Power Delivery > 2013 > 28 > 1 > 383 - 393
IEEE Transactions on Power Delivery > 2013 > 28 > 1 > 226 - 234