TUNCER, I. H.; KAY, M. Optimization of Flapping Airfoils for Maximum Thrust and Propulsive Efficiency. Acta Polytechnica, [S. l.], v. 44, n. 1, 2004. DOI: 10.14311/508. Disponível em: https://ojst.is.cvut.cz/ojs/index.php/ap/article/view/508.. Acesso em: 12 jul. 2025.