1. in: Festkörperprobleme (Advances in Solid State Physics), Vol. XIII, Ed. Pergamon Press/Vieweg, Braunschweig 1973 (p. 31).
2. and , Low Dimensional Cooperative Phenomena, Ed. Plenum Press, New York 1975 (p. 89).
3. Electric and magnetic properties of linear conducting chains
4. and , in: Festkörperprobleme (Advances in Solid State Physics), Vol. XVI, Ed. Pergamon Press/Vieweg, Braunschweig 1976 (p. 65).
5. Optical Properties of Polymeric Sulfur Nitride,(SN)x