Roberto Bruni, Andrea Corradini, Fabio Gadducci, Alberto Lluch-Lafuente, Ugo Montanari. On GS-Monoidal Theories for Graphs with Nesting. In Gregor Engels, Claus Lewerentz, Wilhelm Schäfer, Andy Schürr, Bernhard Westfechtel, editors, Graph Transformations and Model-Driven Engineering - Essays Dedicated to Manfred Nagl on the Occasion of his 65th Birthday. Volume 5765 of Lecture Notes in Computer Science, pages 59-86, Springer, 2010. [doi]
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