?url_ver=Z39.88-2004&rft_id=doi%3A10.18280%2Fejee.224-506&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Mar%C3%ADn-Reyes%2C+Manuel&rft.aulast=Mar%C3%ADn-Reyes&rft.aufirst=Manuel&rft.volume=22&rft.title=European+Journal+of+Electrical+Engineering&rft.date=2020&rft.issn=21033641&rft.pages=349-355&rft.issue=4-5&rft.atitle=Calculation+of+Optimal+Switching+Angles+for+a+Multilevel+Inverter+Using+NR%2C+PSO%2C+and+GA-+a+Comparison&rft.genre=article