BALACHANDRAN3*, G. K. S. M. and V. Simple 4d – Hyperchaotic Canonical Van der pol Duffing Oscillator using Current Feedback Op-Amp. Recent Research in Science and Technology, [S. l.], v. 3, n. 1, 2010. Disponível em: https://updatepublishing.com/journal/index.php/rrst/article/view/583. Acesso em: 25 apr. 2024.