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In: European population: Démographie européenne, Jg. vol. 2: Dynamiques démographiques, S. 509-5251993


The preprojective algebra of a modulated graph
In: Representation Theory II. Proceedings of the Second International Conference on Representations of Algebras, Ottawa, Carleton University, August 13-25, 1979: No. 2, Jg. 832, S. 216-2311980




