@ARTICLE{Zygmanowski_M._Selected_2014,
 author={Zygmanowski, M. and Grzesik, B. and Fulczyk, M. and Nalepa, R.},
 volume={62},
 number={No 2},
 journal={Bulletin of the Polish Academy of Sciences Technical Sciences},
 pages={375-385},
 howpublished={online},
 year={2014},
 title={Selected aspects of Modular Multilevel Converter operation},
 URL={http://journals.pan.pl/Content/83928/PDF/19_paper.pdf},
 doi={10.2478/bpasts-2014-0038},
}