Teutsch, Gotthard M. “[Man and His Fellow-Creatures under Ethical Aspects. Literary Report 1997 98, No. 21] [Article in German]”. ALTEX - Alternatives to animal experimentation 15, no. 4 (November 1, 1998): 163–190. Accessed April 25, 2024. https://www.altex.org/index.php/altex/article/view/1543.