1. Alinejad-Beromi, Y., Sedigizadeh, M., & Sadighi, M. (2008). A particle swarm optimization for sitting and sizing of distributed generation in distribution network to improve voltage profile and reduce THD and losses. In UPEC, paper No. 3–66.
2. Power system observability with minimal phasor measurement placement;Baldwin;IEEE Transactions on Power Systems,1993
3. Chakrabarti, S., & Kyriakides, E. (2007). Optimal placement of phasor measurement units for state estimation. In 7th IASTED international conference on power and energy systems, EuroPES 2007, Spain.
4. Optimal placement of phasor measurement units for power system observability;Chakrabarti;IEEE Transactions on Power Systems,2008
5. Particle swarm optimization: Basic concepts, variants and applications in power systems;del Valle;IEEE Transactions on Evolutionary Computation,2008