Watson, A. J., Dang, H. Q., Wheeler, P. W., Clare, J. C., Mondai, G., Kenzelmann, S., Rufer, A. R., & De Novaes, Y. R. (2009). Control challenges and solutions for a multi-cellular converter for use in electricity networks. EPE Journal (European Power Electronics and Drives Journal), 19(4), 25-31. https://doi.org/10.1080/09398368.2009.11463734