Electronic Properties of Polymers: Orientation and Dimensionality of Conjugated Systems Proceedings of the International Winter School, Kirchberg, (Tyrol) Austria, March 9–16, 1991

Electronic Properties of Conjugated Polymers: Proceedings of an International Winter School, Kirchberg, Tirol, March 14–21, 1987

Electronic Properties of Fullerenes: Proceedings of the International Winterschool on Electronic Properties of Novel Materials, Kirchberg, Tirol, March 6–13, 1993

Electronic Properties of High-Tc Superconductors: The Normal and the Superconducting State of High-Tc Materials