| Autori | Titlu | Publicatia | An aparitie |
| A. HEDES, I. SORA | FROM THE WELDING ARC TO THE MAINS SUPPLY VIA THE INVERTER POWER SOURCE | PROC. OF PCIM 2001,/169 | 2001 |
| I. SORA, A. HEDES, D. NICOARA | NEW RESONANT POWER PROCESSING TECHNIQUES USED FOR ARC WELDING INVERTER POWER SOURCES | REVUE ROM. SC. TECHN. - ELECTROTECHN., 45, 1/16 | 2001 |
| A. HEDES, I. SORA | THE HF TRANSFORMER INFLUENCE ON THE RESONANT BEHAVIOUR OF THE SERIES-PARALLEL RESONANT CONVERTER | PROC. OF PCIM 2000 /439 | 2000 |