Markus Eiglsperger, Carsten Gutwenger, Michael Kaufmann, Joachim Kupke, Michael Jünger, Sebastian Leipert, Karsten Klein, Petra Mutzel, Martin Siebenhaller. Automatic layout of UML class diagrams in orthogonal style. Information Visualization, 3(3):189-208, 2004. [doi]
Abstract is missing.