WADHWA, L. K. One operational amplifier simulator for third order systems with a leading time constant. Defence Science Journal, [S. l.], v. 13, n. 1, p. 47–50, 2014. DOI: 10.14429/dsj.13.7071. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/7071. Acesso em: 16 jun. 2025.