ZIELEMAN, G.; VAN OPSTAL, L. H. Geometric and Mathematical Properties of a Modified Hyperbolic Pattern. The International Hydrographic Review, [S. l.], v. 49, n. 2, 2015. Disponível em: https://journals.lib.unb.ca/index.php/ihr/article/view/23850. Acesso em: 19 may. 2024.