1. Orbital energy control of cycloaddition reactivity
2. Review: in 1,3-Dipolar Cycloaddition Chemistry (Ed.: ), J. Wiley, New York, 1984, vol. 1, p. 99–128.
3. [3a] Ph. D. Thesis, Univ. of Munich, 1962.
4. – [3b] Experiments by Univ. of Munich, 1964/1965.
5. – [3c] Experiments by Univ. of Munich, 1967.