WANG, Y.; HUTTER, K. Comparison of two entropy principles and their applications in granular flows with/without fluid. Archives of Mechanics, Warsaw, Poland, v. 51, n. 5, p. 605–632, 1999. Disponível em: https://am.ippt.pan.pl/index.php/am/article/view/v51p605. Acesso em: 19 nov. 2025.