Thoma, Leonhard. “Entscheidung Am Strand”. https://revistascientificas.us.es/index.php/mAGAzin/issue/view/938, no. 14 (January 1, 2009): 27–28. Accessed September 18, 2024. https://revistascientificas.us.es/index.php/mAGAzin/article/view/8019.