1. Reviews of directed evolution of functional enzymes:
2. Directed Enzyme Evolution: Screening and Selection Methods, Vol. 230 (Eds.: F. H. Arnold, G. Georgiou), Humana, Totowa, 2003;
3. Directed Molecular Evolution of Proteins (Eds.: S. Brakmann, K. Johnsson), Wiley-VCH, Weinheim, 2002;
4. Evolutionary Methods in Biotechnology (Eds.: S. Brakmann, A. Schwienhorst), Wiley-VCH, Weinheim, 2004;
5. Genetische Selektion - eine Strategie zur Untersuchung und Herstellung von Enzymen