EHLERS, C. Grüezi mitenand!. https://revistascientificas.us.es/index.php/mAGAzin/issue/view/938, [S. l.], n. 20, p. 70–72, 2011. DOI: 10.12795/mAGAzin.2011.i20.10. Disponível em: https://revistascientificas.us.es/index.php/mAGAzin/article/view/7752. Acesso em: 16 aug. 2024.