Doehmer, J., M. Barrenscheen, S. Dogra, M. Edigkaufer, H. Giatt, F. Oesch, K. L. Platt, A. Seidel, and C. Wölfel. “[Genetically Engineered V79 Chinese Hamster Cells for Stable Expression of Xenobiotics Metabolising Enzymes] [Article in German]”. ALTEX - Alternatives to Animal Experimentation, vol. 8, no. 2, Sept. 1991, pp. 52-64, https://www.altex.org/index.php/altex/article/view/1839.