1. Abdelaziz, A.Y., Talaat, H.E.A., Nosseir, A.I., Hajjar, A.A.: An adaptive protection scheme for optimal coordination of overcurrent relays. Int. J. Electr. Power Syst. Res. 61(1), 1–9 (2002)
2. Birla, D., Maheshwari, R.P., Gupta, H.O.: A new non-linear directional overcurrent relay coordination technique, and banes and boons of near-end faults based approach. IEEE Trans. Power Deliv. 21(3), 1176–1182 (2006)
3. Birla, D., Maheshwari, R.P., Gupta, H.O.: Optimal DOCR coordination in non-linear environment by simultaneously optimizing settings. In: International Conference on Computer Application in Electrical Engineering Recent Advances, September 28–October 01, IIT, Roorkee, (India) (2005)
4. Birla, D., Maheshwari, R.P., Gupta, H.O.: Time-overcurrent relay coordination: a review. Int. J. Emerg. Electr. Power Syst. 2(2), 1–13 (2005)
5. Chattopadhyay, B., Sachdev, M.S., Sidhu, T.S.: An on-line relay coordination algorithm for adaptive protection using linear programming technique. IEEE Trans. Power Deliv. 11, 165–173 (1996)