International Journal of Electrical Power & Energy Systems
International Journal of Electrical Power and Energy Systems > 2012 > 42 > 1 > 220-228
International Journal of Electrical Power and Energy Systems > 2012 > 42 > 1 > 568-574
International Journal of Electrical Power and Energy Systems > 2012 > 43 > 1 > 744-753
International Journal of Electrical Power and Energy Systems > 2012 > 43 > 1 > 1196-1203