NOWAK, Z.; STACHURSKI, A. Nonlinear Regression Problem of Material Functions Identification for Porous Media Plastic Flow. Engineering Transactions, [S. l.], v. 49, n. 4, p. 637–661, 2015. DOI: 10.24423/engtrans.546.2001. Disponível em: https://et.ippt.pan.pl/index.php/et/article/view/546. Acesso em: 23 jul. 2025.