Open Science Research Excellence
D. Vijayakumar and  R. K. Nema,  A Novel Optimal Setting for Directional over Current Relay Coordination using Particle Swarm Optimization.   journal   = {International Journal of Electrical, Computer, Energetic, Electronic and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology. May 2008, vol. 17(5). 928 - 933[viewed 23 March 2019]. Available from: http://waset.org/publications/12951.