Carrasco, Juan Manuel; Leopoldo Garcia Franquelo; Jan T. Bialasiewecz; Eduardo Galvan; Ramon C. Portillo Guisado; Ma. Angeles Martin Prats; Jose Ignacio Leon; Narciso Moreno-Alfonso (August 2006). "Power-Electronic Systems for the Grid Integration of Renewable Sources: A Survey". IEEE. 53 (4): 1002. doi:10.1109/tie.2006.878356. {{cite journal}}: |access-date= ต้องการ |url= (help)
