1
Electronic Properties of Polymers and Related Compounds [E-Book] : Proceedings of an International Winter School, Kirchberg, Tirol, February 23 – March 1, 1985 /
2
Electronic Properties of Polymers [E-Book] : Orientation and Dimensionality of Conjugated Systems Proceedings of the International Winter School, Kirchberg, (Tyrol) Austria, March 9–16, 1991 /