Spielmann, Horst. “Keine Tierversuche für Kosmetika in Den EG-Staaten Ab 1998?”. ALTEX - Alternatives to animal experimentation 10, no. 1 (March 1, 1993): 3–5. Accessed April 20, 2024. https://www.altex.org/index.php/altex/article/view/1809.