ELMO, D.; STEAD, D. The concept of representative elementary length (REL) as an effective tool to study scale effects in rock engineering problems. Boletín Geológico y Minero, [S. l.], v. 131, n. 3, p. 355–362, 2020. DOI: 10.21701/bolgeomin.131.3.001. Disponível em: https://bgm.revistas.csic.es/index.php/bgm/article/view/120. Acesso em: 3 may. 2025.