Teutsch, Gotthard M. “[Man and His Fellow-Creatures under Ethical Aspects. Literary Report 2001 2002, No.25] [Article in German]”. ALTEX - Alternatives to Animal Experimentation, vol. 19, no. 4, Nov. 2002, pp. 163-91, https://www.altex.org/index.php/altex/article/view/1122.