Wolfgang Wildgen. Die Suche nach Invarianten und Harmonien im Bereich symbolischer Formen. In Peter Grzybek, Reinhard Köhler, editors, Exact Methods in the Study of Language and Text - Dedicated to Gabriel Altmann on the Occasion of his 75th Birthday. Volume 62 of Quantitative Linguistics, pages 699-708, De Gruyter, 2007. [doi]
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