Arne Sølvberg. On Models of Concepts and Data. In Antje Düsterhöft, Meike Klettke, Klaus-Dieter Schewe, editors, Conceptual Modelling and Its Theoretical Foundations - Essays Dedicated to Bernhard Thalheim on the Occasion of His 60th Birthday. Volume 7260 of Lecture Notes in Computer Science, pages 190-196, Springer, 2012. [doi]
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