GUZMÁN, Gastón. In memoriam. Dr. Rolf Singer 1907-1994. Scientia Fungorum, [S. l.], v. 3, n. 10, p. 199–201, 2016. DOI: 10.33885/sf.1994.3.822. Disponível em: https://www.scientiafungorum.org.mx/index.php/micologia/article/view/822. Acesso em: 3 may. 2024.