Balamurugan, C., S. Natarajan, M. Arumugam, and R. Bensraj. “Investigations on Three Phase Five Switch Multilevel Inverter With Reduced Number of Switches”. Review of Industrial Engineering Letters, vol. 1, no. 2, Dec. 2014, pp. 67-79, doi:10.18488/journal.71/2014.1.2/71.2.67.79.