Schweigert, Nina, Rik I. L. Eggen, Beate I. Escher, Patricia Burkhardt-Holm, and Renata Behra. 2002. “Ecotoxicological Assessment of Surface Waters: A Modular Approach Integrating in Vitro Methods”. ALTEX - Alternatives to Animal Experimentation 19 (Supp1):30-37. https://altex.org/index.php/altex/article/view/2124.