IEEE Transactions on Power Delivery
IEEE Transactions on Power Delivery > 2008 > 23 > 2 > 657 - 666
IEEE Transactions on Power Delivery > 2008 > 23 > 2 > 760 - 767
IEEE Transactions on Power Delivery > 2008 > 23 > 2 > 733 - 741
IEEE Transactions on Power Delivery > 2008 > 23 > 2 > 568 - 575