Martin Kuhlemann Sven Apel Marko Rosenmüller Roberto E. Lopez-Herrejon A Multiparadigm Study of Crosscutting Modularity in Design Patterns. 121-140 2008 TOOLS (46) http://dx.doi.org/10.1007/978-3-540-69824-1_8 conf/tools/46-2008 db/conf/tools/tools46-2008.html#KuhlemannARL08