N. Janjamraj and A. Oonsivilai, Harmonic Elimination of Hybrid Multilevel Inverters Using Particle Swarm Optimization. journal = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology. December 2012, vol. 72(12). 1461 - 1466 [viewed 23 September 2024]. Available from: https://publications.waset.org/pdf/7046.