1. Zur Kenntniss der Ketene. Diphenylketen
2. Synthetic routes to β-lactams
3. in ‘Comprehensive Organic Synthesis’, Eds. B. Trost, I. Fleming, Pergamon Press, Oxford, 1991, Vol. 5, p. 85;
4. in ‘The Organic Chemistry of β-Lactams’, Eds. G. I. Georg, Wiley-VCH, Weinheim, New York, 1993, p. 295-381;
5. in ‘Comprehensive Heterocyclic Chemistry II’, Eds. A. R. Katrizky, C. W. Rees, E. F. V. Scriven, A. Padwa, Pergamon Press, Oxford, 1996, Vol. 1B, p. 507.