IEEE Transactions on Power Delivery
IEEE Transactions on Power Delivery > 2008 > 23 > 1 > 319 - 327
IEEE Transactions on Power Delivery > 2008 > 23 > 2 > 889 - 898
IEEE Transactions on Power Delivery > 2008 > 23 > 2 > 881 - 888
IEEE Transactions on Power Delivery > 2009 > 24 > 3 > 1359 - 1366