1. ACS Symposium;v. Schnering,1983
2. Catenation of Phosphorus Atoms, in (Edit.): Homoatomic Rings, Chains and Macromolecules of the Main Group Elements, Elsevier, Armsterdam 1977.
3. Homonucleare Bindungen bei Hauptgruppenelementen
4. Homoatomic Bonding of Main Group Elements
5. 5. Europ. Crystallogr. Meeting, Kopenhagen 1979, Abstract 80-P1-5.