VIKTOR, Beldjajev; INDREK, Roasto; TÕNU, Lehtla. Intelligent Transformer: Possibilities and Challenges. Electrical, Control and Communication Engineering, Riga, Latvia, v. 29, n. 1, p. 95–100, 2011. DOI: 10.2478/v10144-011-0016-8. Disponível em: https://ecce-journals.rtu.lv/ecce/article/view/v10144-011-0016-8.. Acesso em: 7 mar. 2026.