Torres, A. P., P. Roncero-Sanchez, X. del Toro Garcia, and V. Feliu. 2013. “Design and Comparison of Two Control Strategies for Voltage-Sag Compensation Using Dynamic Voltage Restorers”. Elektronika Ir Elektrotechnika 19 (6):7-12. https://doi.org/10.5755/j01.eee.19.6.4553.