URSARU, O.; AGHION, C.; LUCANU, M. Hysteretic–controlled Voltage Regulator using Integrated Circuit LM723. Elektronika ir Elektrotechnika, [S. l.], v. 95, n. 7, p. 45-50, 2009. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/10040. Acesso em: 25 nov. 2020.