Modulation characteristics for a bidirectional AC-DC converter based on dual active bridge (January 2010). - Karim Eduardo Hay Alonso; Abdel Karim Hay Harb; Luis David Prieto Martinez (ICECS, 2011)

Square-Shape Current-Mode Supply for Parametric Control of the DBD Excilamp Power. - David Florez; Rafael Díez; Hubert Piquet; Abdel Karim Hay Harb (IEEE Trans. Ind. Electron., 2015)